23513255907 has 8 divisors (see below), whose sum is σ = 31352554176. Its totient is φ = 15674730792.

The previous prime is 23513255903. The next prime is 23513255921. The reversal of 23513255907 is 70955231532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23513255907 - 2² = 23513255903 is a prime.

It is a super-3 number, since 3×23513255907³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23513255903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118153 + ... + 246954.

It is an arithmetic number, because the mean of its divisors is an integer number (3919069272).

Almost surely, 2^23513255907 is an apocalyptic number.

23513255907 is a deficient number, since it is larger than the sum of its proper divisors (7839298269).

23513255907 is a wasteful number, since it uses less digits than its factorization.

23513255907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386577.

The product of its (nonzero) digits is 283500, while the sum is 42.

The spelling of 23513255907 in words is "twenty-three billion, five hundred thirteen million, two hundred fifty-five thousand, nine hundred seven".