23974942 has 4 divisors (see below), whose sum is σ = 35962416. Its totient is φ = 11987470.

The previous prime is 23974939. The next prime is 23974943. The reversal of 23974942 is 24947932.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23974895 and 23974904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23974943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5993734 + ... + 5993737.

It is an arithmetic number, because the mean of its divisors is an integer number (8990604).

Almost surely, 2^23974942 is an apocalyptic number.

23974942 is a deficient number, since it is larger than the sum of its proper divisors (11987474).

23974942 is a wasteful number, since it uses less digits than its factorization.

23974942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11987473.

The product of its digits is 108864, while the sum is 40.

The square root of 23974942 is about 4896.4213462487. The cubic root of 23974942 is about 288.3494905206.

The spelling of 23974942 in words is "twenty-three million, nine hundred seventy-four thousand, nine hundred forty-two".