23404885 has 16 divisors (see below), whose sum is σ = 33206400. Its totient is φ = 15494976.

The previous prime is 23404879. The next prime is 23404889. The reversal of 23404885 is 58840432.

It is not a de Polignac number, because 23404885 - 2³ = 23404877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23404885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23404889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10515 + ... + 12544.

It is an arithmetic number, because the mean of its divisors is an integer number (2075400).

Almost surely, 2^23404885 is an apocalyptic number.

It is an amenable number.

23404885 is a deficient number, since it is larger than the sum of its proper divisors (9801515).

23404885 is a wasteful number, since it uses less digits than its factorization.

23404885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23100.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 23404885 is about 4837.8595473618. The cubic root of 23404885 is about 286.0457528642.

It can be divided in two parts, 2340 and 4885, that added together give a square (7225 = 85²).

The spelling of 23404885 in words is "twenty-three million, four hundred four thousand, eight hundred eighty-five".