23400631085 has 32 divisors (see below), whose sum is σ = 30384305280. Its totient is φ = 17198707968.

The previous prime is 23400631081. The next prime is 23400631099. The reversal of 23400631085 is 58013600432.

It is not a de Polignac number, because 23400631085 - 2² = 23400631081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400631081) 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, 16038086 + ... + 16039544.

It is an arithmetic number, because the mean of its divisors is an integer number (949509540).

Almost surely, 2^23400631085 is an apocalyptic number.

It is an amenable number.

23400631085 is a deficient number, since it is larger than the sum of its proper divisors (6983674195).

23400631085 is a wasteful number, since it uses less digits than its factorization.

23400631085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 23400631085 in words is "twenty-three billion, four hundred million, six hundred thirty-one thousand, eighty-five".