23715690 has 16 divisors (see below), whose sum is σ = 56917728. Its totient is φ = 6324176.

The previous prime is 23715689. The next prime is 23715733. The reversal of 23715690 is 9651732.

It is a super-2 number, since 2×23715690² = 1124867904352200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395232 + ... + 395291.

It is an arithmetic number, because the mean of its divisors is an integer number (3557358).

Almost surely, 2^23715690 is an apocalyptic number.

23715690 is an abundant number, since it is smaller than the sum of its proper divisors (33202038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23715690 is a wasteful number, since it uses less digits than its factorization.

23715690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790533.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 23715690 is about 4869.8757684360. The cubic root of 23715690 is about 287.3063699353.

The spelling of 23715690 in words is "twenty-three million, seven hundred fifteen thousand, six hundred ninety".