23064520 has 16 divisors (see below), whose sum is σ = 51895260. Its totient is φ = 9225792.

The previous prime is 23064511. The next prime is 23064521. The reversal of 23064520 is 2546032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 842724 = 4714^2 + 918^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23064491 and 23064500.

It is not an unprimeable number, because it can be changed into a prime (23064521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288267 + ... + 288346.

Almost surely, 2^23064520 is an apocalyptic number.

23064520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23064520 is an abundant number, since it is smaller than the sum of its proper divisors (28830740).

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

23064520 is a wasteful number, since it uses less digits than its factorization.

23064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576624 (or 576620 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23064520 is about 4802.5534874689. The cubic root of 23064520 is about 284.6523718858.

The spelling of 23064520 in words is "twenty-three million, sixty-four thousand, five hundred twenty".