23940836 has 12 divisors (see below), whose sum is σ = 44101680. Its totient is φ = 11340360.

The previous prime is 23940827. The next prime is 23940877. The reversal of 23940836 is 63804932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23940796 and 23940805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157430 + ... + 157581.

It is an arithmetic number, because the mean of its divisors is an integer number (3675140).

Almost surely, 2^23940836 is an apocalyptic number.

It is an amenable number.

23940836 is a deficient number, since it is larger than the sum of its proper divisors (20160844).

23940836 is a wasteful number, since it uses less digits than its factorization.

23940836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315034 (or 315032 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23940836 is about 4892.9373590922. The cubic root of 23940836 is about 288.2126933206.

The spelling of 23940836 in words is "twenty-three million, nine hundred forty thousand, eight hundred thirty-six".