123230131002 has 80 divisors (see below), whose sum is σ = 306167662944. Its totient is φ = 36730260000.

The previous prime is 123230130977. The next prime is 123230131021. The reversal of 123230131002 is 200131032321.

123230131002 is a `hidden beast` number, since 123 + 230 + 1 + 310 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 458124 + ... + 675527.

Almost surely, 2^123230131002 is an apocalyptic number.

123230131002 is an abundant number, since it is smaller than the sum of its proper divisors (182937531942).

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

123230131002 is a wasteful number, since it uses less digits than its factorization.

123230131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133737 (or 1133728 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123230131002 its reverse (200131032321), we get a palindrome (323361163323).

The spelling of 123230131002 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-one thousand, two".