23900842 has 16 divisors (see below), whose sum is σ = 41380992. Its totient is φ = 10141200.

The previous prime is 23900831. The next prime is 23900893. The reversal of 23900842 is 24800932.

It is a self number, because there is not a number n which added to its sum of digits gives 23900842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7038 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (2586312).

Almost surely, 2^23900842 is an apocalyptic number.

23900842 is a deficient number, since it is larger than the sum of its proper divisors (17480150).

23900842 is a wasteful number, since it uses less digits than its factorization.

23900842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17013.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 23900842 is about 4888.8487397341. The cubic root of 23900842 is about 288.0521140904.

It can be divided in two parts, 23900 and 842, that added together give a palindrome (24742).

The spelling of 23900842 in words is "twenty-three million, nine hundred thousand, eight hundred forty-two".