23420764 has 12 divisors (see below), whose sum is σ = 43397424. Its totient is φ = 11021504.

The previous prime is 23420759. The next prime is 23420773. The reversal of 23420764 is 46702432.

It is a congruent number.

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, 172144 + ... + 172279.

It is an arithmetic number, because the mean of its divisors is an integer number (3616452).

Almost surely, 2^23420764 is an apocalyptic number.

It is an amenable number.

23420764 is a deficient number, since it is larger than the sum of its proper divisors (19976660).

23420764 is a wasteful number, since it uses less digits than its factorization.

23420764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344444 (or 344442 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 23420764 is about 4839.5003874367. The cubic root of 23420764 is about 286.1104273071.

The spelling of 23420764 in words is "twenty-three million, four hundred twenty thousand, seven hundred sixty-four".