23947774942 has 32 divisors (see below), whose sum is σ = 44257135104. Its totient is φ = 9464018400.

The previous prime is 23947774909. The next prime is 23947774987. The reversal of 23947774942 is 24947774932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108967 + ... + 244477.

It is an arithmetic number, because the mean of its divisors is an integer number (1383035472).

Almost surely, 2^23947774942 is an apocalyptic number.

23947774942 is a deficient number, since it is larger than the sum of its proper divisors (20309360162).

23947774942 is a wasteful number, since it uses less digits than its factorization.

23947774942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136504.

The product of its digits is 21337344, while the sum is 58.

The spelling of 23947774942 in words is "twenty-three billion, nine hundred forty-seven million, seven hundred seventy-four thousand, nine hundred forty-two".