23455642 has 16 divisors (see below), whose sum is σ = 40291200. Its totient is φ = 10032048.

The previous prime is 23455639. The next prime is 23455657. The reversal of 23455642 is 24655432.

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, 6988 + ... + 9784.

It is an arithmetic number, because the mean of its divisors is an integer number (2518200).

Almost surely, 2^23455642 is an apocalyptic number.

23455642 is a deficient number, since it is larger than the sum of its proper divisors (16835558).

23455642 is a wasteful number, since it uses less digits than its factorization.

23455642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405.

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

The square root of 23455642 is about 4843.1025180147. The cubic root of 23455642 is about 286.2523812595.

The spelling of 23455642 in words is "twenty-three million, four hundred fifty-five thousand, six hundred forty-two".