23404745 has 16 divisors (see below), whose sum is σ = 34567680. Its totient is φ = 14814144.

The previous prime is 23404741. The next prime is 23404763. The reversal of 23404745 is 54740432.

It is a cyclic number.

It is not a de Polignac number, because 23404745 - 2² = 23404741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23404741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25265 + ... + 26174.

It is an arithmetic number, because the mean of its divisors is an integer number (2160480).

Almost surely, 2^23404745 is an apocalyptic number.

It is an amenable number.

23404745 is a deficient number, since it is larger than the sum of its proper divisors (11162935).

23404745 is a wasteful number, since it uses less digits than its factorization.

23404745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51464.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 23404745 is about 4837.8450781314. The cubic root of 23404745 is about 286.0451825205.

The spelling of 23404745 in words is "twenty-three million, four hundred four thousand, seven hundred forty-five".