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23104443405 = 352953113663
BaseRepresentation
bin10101100001001000…
…011101010000001101
32012122012002100000010
4111201020131100031
5334304214142110
614340344223433
71445356346211
oct254110352015
965565070003
1023104443405
11988694632a
12458976ab79
1322428ca2b4
141192718941
15903591020
hex56121d40d

23104443405 has 16 divisors (see below), whose sum is σ = 38241838080. Its totient is φ = 11897460288.

The previous prime is 23104443389. The next prime is 23104443421. The reversal of 23104443405 is 50434440132.

It is an interprime number because it is at equal distance from previous prime (23104443389) and next prime (23104443421).

It is not a de Polignac number, because 23104443405 - 24 = 23104443389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26556397 + ... + 26557266.

It is an arithmetic number, because the mean of its divisors is an integer number (2390114880).

Almost surely, 223104443405 is an apocalyptic number.

It is an amenable number.

23104443405 is a deficient number, since it is larger than the sum of its proper divisors (15137394675).

23104443405 is a wasteful number, since it uses less digits than its factorization.

23104443405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53113700.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 23104443405 its reverse (50434440132), we get a palindrome (73538883537).

The spelling of 23104443405 in words is "twenty-three billion, one hundred four million, four hundred forty-three thousand, four hundred five".

Divisors: 1 3 5 15 29 87 145 435 53113663 159340989 265568315 796704945 1540296227 4620888681 7701481135 23104443405