23130513 has 24 divisors (see below), whose sum is σ = 39219648. Its totient is φ = 12858912.

The previous prime is 23130509. The next prime is 23130521. The reversal of 23130513 is 31503132.

23130513 is a `hidden beast` number, since 23 + 130 + 513 = 666.

It is not a de Polignac number, because 23130513 - 2² = 23130509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23130553) 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 23 ways as a sum of consecutive naturals, for example, 2631 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (1634152).

Almost surely, 2^23130513 is an apocalyptic number.

It is an amenable number.

23130513 is a deficient number, since it is larger than the sum of its proper divisors (16089135).

23130513 is a wasteful number, since it uses less digits than its factorization.

23130513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973 (or 9970 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 23130513 is about 4809.4191957034. The cubic root of 23130513 is about 284.9235990960.

Adding to 23130513 its reverse (31503132), we get a palindrome (54633645).

The spelling of 23130513 in words is "twenty-three million, one hundred thirty thousand, five hundred thirteen".