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23030021131443 = 3317155332308009
BaseRepresentation
bin1010011110010000110000…
…01110101000110010110011
310000112122111202210021101000
411033020120032220302303
511004310440402201233
6120551502354413043
74564602251465364
oct517103016506263
9100478452707330
1023030021131443
117379a825a0147
1226bb457591183
13cb094c697131
145989322ddb6b
1529e0e4ec9d13
hex14f2183a8cb3

23030021131443 has 32 divisors (see below), whose sum is σ = 36148786228800. Its totient is φ = 14440904183808.

The previous prime is 23030021131417. The next prime is 23030021131483. The reversal of 23030021131443 is 34413112003032.

It is a happy number.

23030021131443 is a `hidden beast` number, since 2 + 3 + 0 + 3 + 0 + 0 + 211 + 3 + 1 + 443 = 666.

It is not a de Polignac number, because 23030021131443 - 218 = 23030020869299 is a prime.

It is a super-2 number, since 2×230300211314432 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23030021131483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15441178 + ... + 16866831.

It is an arithmetic number, because the mean of its divisors is an integer number (1129649569650).

Almost surely, 223030021131443 is an apocalyptic number.

23030021131443 is a deficient number, since it is larger than the sum of its proper divisors (13118765097357).

23030021131443 is a wasteful number, since it uses less digits than its factorization.

23030021131443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32309588 (or 32309582 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 23030021131443 its reverse (34413112003032), we get a palindrome (57443133134475).

The spelling of 23030021131443 in words is "twenty-three trillion, thirty billion, twenty-one million, one hundred thirty-one thousand, four hundred forty-three".

Divisors: 1 3 9 17 27 51 153 459 1553 4659 13977 26401 41931 79203 237609 712827 32308009 96924027 290772081 549236153 872316243 1647708459 4943125377 14829376131 50174337977 150523013931 451569041793 852963745609 1354707125379 2558891236827 7676673710481 23030021131443