23115604 has 12 divisors (see below), whose sum is σ = 40487328. Its totient is φ = 11547800.

The previous prime is 23115593. The next prime is 23115611. The reversal of 23115604 is 40651132.

It is a super-2 number, since 2×23115604² = 1068662296569632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649 + ... + 8839.

It is an arithmetic number, because the mean of its divisors is an integer number (3373944).

Almost surely, 2^23115604 is an apocalyptic number.

It is an amenable number.

23115604 is a deficient number, since it is larger than the sum of its proper divisors (17371724).

23115604 is a wasteful number, since it uses less digits than its factorization.

23115604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5006 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 23115604 is about 4807.8689666005. The cubic root of 23115604 is about 284.8623691679.

Adding to 23115604 its reverse (40651132), we get a palindrome (63766736).

The spelling of 23115604 in words is "twenty-three million, one hundred fifteen thousand, six hundred four".