23949942 has 16 divisors (see below), whose sum is σ = 48685872. Its totient is φ = 7852320.

The previous prime is 23949941. The next prime is 23949973. The reversal of 23949942 is 24994932.

It is a junction number, because it is equal to n+sod(n) for n = 23949894 and 23949903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23949941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32353 + ... + 33084.

It is an arithmetic number, because the mean of its divisors is an integer number (3042867).

Almost surely, 2^23949942 is an apocalyptic number.

23949942 is an abundant number, since it is smaller than the sum of its proper divisors (24735930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23949942 is a wasteful number, since it uses less digits than its factorization.

23949942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65503.

The product of its digits is 139968, while the sum is 42.

The square root of 23949942 is about 4893.8677955172. The cubic root of 23949942 is about 288.2492296682.

The spelling of 23949942 in words is "twenty-three million, nine hundred forty-nine thousand, nine hundred forty-two".