23130200002 has 24 divisors (see below), whose sum is σ = 43464444156. Its totient is φ = 9150408288.

The previous prime is 23130199991. The next prime is 23130200021. The reversal of 23130200002 is 20000203132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21842179681 + 1288020321 = 147791^2 + 35889^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9076513 + ... + 9079060.

Almost surely, 2^23130200002 is an apocalyptic number.

23130200002 is a deficient number, since it is larger than the sum of its proper divisors (20334244154).

23130200002 is a wasteful number, since it uses less digits than its factorization.

23130200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18155602 (or 18155595 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23130200002 its reverse (20000203132), we get a palindrome (43130403134).

The spelling of 23130200002 in words is "twenty-three billion, one hundred thirty million, two hundred thousand, two".