123131012332 has 6 divisors (see below), whose sum is σ = 215479271588. Its totient is φ = 61565506164.

The previous prime is 123131012297. The next prime is 123131012341. The reversal of 123131012332 is 233210131321.

It is a super-2 number, since 2×123131012332² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15391376538 + ... + 15391376545.

Almost surely, 2^123131012332 is an apocalyptic number.

It is an amenable number.

123131012332 is a deficient number, since it is larger than the sum of its proper divisors (92348259256).

123131012332 is a wasteful number, since it uses less digits than its factorization.

123131012332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30782753087 (or 30782753085 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123131012332 its reverse (233210131321), we get a palindrome (356341143653).

The spelling of 123131012332 in words is "one hundred twenty-three billion, one hundred thirty-one million, twelve thousand, three hundred thirty-two".