23130524 has 12 divisors (see below), whose sum is σ = 42609000. Its totient is φ = 10956528.

The previous prime is 23130521. The next prime is 23130553. The reversal of 23130524 is 42503132.

It is a happy number.

It is a super-2 number, since 2×23130524² = 1070042281029152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23130496 and 23130505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152099 + ... + 152250.

It is an arithmetic number, because the mean of its divisors is an integer number (3550750).

Almost surely, 2^23130524 is an apocalyptic number.

It is an amenable number.

23130524 is a deficient number, since it is larger than the sum of its proper divisors (19478476).

23130524 is a wasteful number, since it uses less digits than its factorization.

23130524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304372 (or 304370 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23130524 is about 4809.4203392925. The cubic root of 23130524 is about 284.9236442623.

Adding to 23130524 its reverse (42503132), we get a palindrome (65633656).

The spelling of 23130524 in words is "twenty-three million, one hundred thirty thousand, five hundred twenty-four".