23151510407057 has 4 divisors (see below), whose sum is σ = 23477588018496. Its totient is φ = 22825432795620.

The previous prime is 23151510407009. The next prime is 23151510407107. The reversal of 23151510407057 is 75070401515132.

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 23151510407057 - 2²⁸ = 23151241971601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23151510407257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163038805613 + ... + 163038805754.

It is an arithmetic number, because the mean of its divisors is an integer number (5869397004624).

Almost surely, 2^{23151510407057} is an apocalyptic number.

It is an amenable number.

23151510407057 is a deficient number, since it is larger than the sum of its proper divisors (326077611439).

23151510407057 is an equidigital number, since it uses as much as digits as its factorization.

23151510407057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326077611438.

The product of its (nonzero) digits is 147000, while the sum is 41.

The spelling of 23151510407057 in words is "twenty-three trillion, one hundred fifty-one billion, five hundred ten million, four hundred seven thousand, fifty-seven".