23408272 has 20 divisors (see below), whose sum is σ = 46580476. Its totient is φ = 11387520.

The previous prime is 23408263. The next prime is 23408279. The reversal of 23408272 is 27280432.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 14622976 = 2964^2 + 3824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23408272.

It is not an unprimeable number, because it can be changed into a prime (23408279) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 19179 + ... + 20362.

Almost surely, 2^23408272 is an apocalyptic number.

It is an amenable number.

23408272 is a deficient number, since it is larger than the sum of its proper divisors (23172204).

23408272 is a wasteful number, since it uses less digits than its factorization.

23408272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39586 (or 39580 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23408272 is about 4838.2095862003. The cubic root of 23408272 is about 286.0595504145.

The spelling of 23408272 in words is "twenty-three million, four hundred eight thousand, two hundred seventy-two".