23369728 has 24 divisors (see below), whose sum is σ = 46732140. Its totient is φ = 11683840.

The previous prime is 23369719. The next prime is 23369741. The reversal of 23369728 is 82796332.

It is a super-2 number, since 2×23369728² = 1092288373587968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658 + ... + 7753.

Almost surely, 2^23369728 is an apocalyptic number.

It is an amenable number.

23369728 is a deficient number, since it is larger than the sum of its proper divisors (23362412).

23369728 is an equidigital number, since it uses as much as digits as its factorization.

23369728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11433 (or 11413 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 23369728 is about 4834.2246534475. The cubic root of 23369728 is about 285.9024558543.

The spelling of 23369728 in words is "twenty-three million, three hundred sixty-nine thousand, seven hundred twenty-eight".