23130313232 has 40 divisors (see below), whose sum is σ = 49926518040. Its totient is φ = 10307404800.

The previous prime is 23130313187. The next prime is 23130313249. The reversal of 23130313232 is 23231303132.

It can be written as a sum of positive squares in 4 ways, for example, as 215619856 + 22914693376 = 14684^2 + 151376^2 .

It is a super-2 number, since 2×23130313232² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23130313198 and 23130313207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1911269 + ... + 1923332.

It is an arithmetic number, because the mean of its divisors is an integer number (1248162951).

Almost surely, 2^23130313232 is an apocalyptic number.

It is an amenable number.

23130313232 is an abundant number, since it is smaller than the sum of its proper divisors (26796204808).

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

23130313232 is a wasteful number, since it uses less digits than its factorization.

23130313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834651 (or 3834645 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23130313232 its reverse (23231303132), we get a palindrome (46361616364).

The spelling of 23130313232 in words is "twenty-three billion, one hundred thirty million, three hundred thirteen thousand, two hundred thirty-two".