23240764 has 12 divisors (see below), whose sum is σ = 42439824. Its totient is φ = 11115104.

The previous prime is 23240753. The next prime is 23240783. The reversal of 23240764 is 46704232.

It is a super-2 number, since 2×23240764² = 1080266222607392, which contains 22 as substring.

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, 126217 + ... + 126400.

It is an arithmetic number, because the mean of its divisors is an integer number (3536652).

Almost surely, 2^23240764 is an apocalyptic number.

It is an amenable number.

23240764 is a deficient number, since it is larger than the sum of its proper divisors (19199060).

23240764 is a wasteful number, since it uses less digits than its factorization.

23240764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252644 (or 252642 counting only the distinct ones).

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

The square root of 23240764 is about 4820.8675567786. The cubic root of 23240764 is about 285.3755754319.

Adding to 23240764 its reverse (46704232), we get a palindrome (69944996).

The spelling of 23240764 in words is "twenty-three million, two hundred forty thousand, seven hundred sixty-four".