23307764 has 12 divisors (see below), whose sum is σ = 42195300. Its totient is φ = 11251968.

The previous prime is 23307761. The next prime is 23307787. The reversal of 23307764 is 46770332.

It can be written as a sum of positive squares in 2 ways, for example, as 19536400 + 3771364 = 4420^2 + 1942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23307764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23307761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100349 + ... + 100580.

It is an arithmetic number, because the mean of its divisors is an integer number (3516275).

Almost surely, 2^23307764 is an apocalyptic number.

It is an amenable number.

23307764 is a deficient number, since it is larger than the sum of its proper divisors (18887536).

23307764 is a wasteful number, since it uses less digits than its factorization.

23307764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200962 (or 200960 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 23307764 is about 4827.8115124764. The cubic root of 23307764 is about 285.6495454744.

The spelling of 23307764 in words is "twenty-three million, three hundred seven thousand, seven hundred sixty-four".