23160004521 has 4 divisors (see below), whose sum is σ = 30880006032. Its totient is φ = 15440003012.

The previous prime is 23160004507. The next prime is 23160004523. The reversal of 23160004521 is 12540006132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23160004521 - 2¹¹ = 23160002473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23160004491 and 23160004500.

It is not an unprimeable number, because it can be changed into a prime (23160004523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3860000751 + ... + 3860000756.

It is an arithmetic number, because the mean of its divisors is an integer number (7720001508).

Almost surely, 2^23160004521 is an apocalyptic number.

It is an amenable number.

23160004521 is a deficient number, since it is larger than the sum of its proper divisors (7720001511).

23160004521 is an equidigital number, since it uses as much as digits as its factorization.

23160004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720001510.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 23160004521 in words is "twenty-three billion, one hundred sixty million, four thousand, five hundred twenty-one".