23479812 has 18 divisors (see below), whose sum is σ = 59351838. Its totient is φ = 7826592.

The previous prime is 23479789. The next prime is 23479823. The reversal of 23479812 is 21897432.

It can be written as a sum of positive squares in only one way, i.e., 15729156 + 7750656 = 3966^2 + 2784^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×23479812³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 652217 = 23479812 / (2 + 3 + 4 + 7 + 9 + 8 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326073 + ... + 326144.

Almost surely, 2^23479812 is an apocalyptic number.

It is an amenable number.

23479812 is an abundant number, since it is smaller than the sum of its proper divisors (35872026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23479812 is a wasteful number, since it uses less digits than its factorization.

23479812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652227 (or 652222 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 23479812 is about 4845.5971768194. The cubic root of 23479812 is about 286.3506709721.

The spelling of 23479812 in words is "twenty-three million, four hundred seventy-nine thousand, eight hundred twelve".