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30430423023 = 371113471491447
BaseRepresentation
bin11100010101110010…
…110110011111101111
32220112202012122202120
4130111302312133233
5444310142014043
621551325324023
72125044220320
oct342562663757
986482178676
1030430423023
11119a61a9240
125a93106613
132b3c5c9090
14168968c447
15bd17eb983
hex715cb67ef

30430423023 has 128 divisors (see below), whose sum is σ = 56048025600. Its totient is φ = 14175889920.

The previous prime is 30430423003. The next prime is 30430423109. The reversal of 30430423023 is 32032403403.

It is not a de Polignac number, because 30430423023 - 220 = 30429374447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30430422984 and 30430423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430423003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 21029286 + ... + 21030732.

It is an arithmetic number, because the mean of its divisors is an integer number (437875200).

Almost surely, 230430423023 is an apocalyptic number.

30430423023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30430423023 is a deficient number, since it is larger than the sum of its proper divisors (25617602577).

30430423023 is a wasteful number, since it uses less digits than its factorization.

30430423023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 30430423023 its reverse (32032403403), we get a palindrome (62462826426).

The spelling of 30430423023 in words is "thirty billion, four hundred thirty million, four hundred twenty-three thousand, twenty-three".

Divisors: 1 3 7 11 13 21 33 39 47 77 91 141 143 149 231 273 329 429 447 517 611 987 1001 1043 1447 1551 1639 1833 1937 3003 3129 3619 4277 4341 4917 5811 6721 7003 10129 10857 11473 12831 13559 15917 18811 20163 21009 21307 30387 34419 40677 47047 47751 49021 56433 63921 68009 77033 91039 111419 131677 141141 147063 149149 204027 206921 215603 231099 273117 334257 395031 447447 476063 539231 620763 637273 646809 748099 884117 1001429 1428189 1448447 1509221 1617693 1911819 2244297 2371633 2652351 2802839 3004287 4345341 4527663 5236693 6188819 7010003 7114899 8408517 9725287 10133341 15710079 16601431 18566457 19619873 21030009 29175861 30400023 30831229 49804293 58859619 68077009 70933387 92493687 111466751 131733433 204231027 212800161 215818603 334400253 395200299 647455809 780267257 922134031 1449067763 2340801771 2766402093 4347203289 10143474341 30430423023