23564542 has 16 divisors (see below), whose sum is σ = 36310032. Its totient is φ = 11464960.

The previous prime is 23564521. The next prime is 23564543. The reversal of 23564542 is 24546532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23564543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13038 + ... + 14734.

It is an arithmetic number, because the mean of its divisors is an integer number (2269377).

Almost surely, 2^23564542 is an apocalyptic number.

23564542 is a deficient number, since it is larger than the sum of its proper divisors (12745490).

23564542 is a wasteful number, since it uses less digits than its factorization.

23564542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its digits is 28800, while the sum is 31.

The square root of 23564542 is about 4854.3322918811. The cubic root of 23564542 is about 286.6947022037.

It can be divided in two parts, 2 and 3564542, that added together give a square (3564544 = 1888²).

The spelling of 23564542 in words is "twenty-three million, five hundred sixty-four thousand, five hundred forty-two".