23319328 has 12 divisors (see below), whose sum is σ = 45909990. Its totient is φ = 11659648.

The previous prime is 23319319. The next prime is 23319343. The reversal of 23319328 is 82391332.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 394384 = 4788^2 + 628^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23319328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364333 + ... + 364396.

Almost surely, 2^23319328 is an apocalyptic number.

It is an amenable number.

23319328 is a deficient number, since it is larger than the sum of its proper divisors (22590662).

23319328 is an equidigital number, since it uses as much as digits as its factorization.

23319328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728739 (or 728731 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 23319328 is about 4829.0090080678. The cubic root of 23319328 is about 285.6967787368.

The spelling of 23319328 in words is "twenty-three million, three hundred nineteen thousand, three hundred twenty-eight".