23918942 has 16 divisors (see below), whose sum is σ = 37596960. Its totient is φ = 11391072.

The previous prime is 23918903. The next prime is 23918959. The reversal of 23918942 is 24981932.

It is a junction number, because it is equal to n+sod(n) for n = 23918896 and 23918905.

It is a congruent number.

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, 11408 + ... + 13340.

It is an arithmetic number, because the mean of its divisors is an integer number (2349810).

Almost surely, 2^23918942 is an apocalyptic number.

23918942 is a deficient number, since it is larger than the sum of its proper divisors (13678018).

23918942 is a wasteful number, since it uses less digits than its factorization.

23918942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its digits is 31104, while the sum is 38.

The square root of 23918942 is about 4890.6995409655. The cubic root of 23918942 is about 288.1248092658.

The spelling of 23918942 in words is "twenty-three million, nine hundred eighteen thousand, nine hundred forty-two".