123230000002131 has 16 divisors (see below), whose sum is σ = 199159595963520. Its totient is φ = 74684848485960.

The previous prime is 123230000002111. The next prime is 123230000002141. The reversal of 123230000002131 is 131200000032321.

123230000002131 is a `hidden beast` number, since 1 + 232 + 300 + 0 + 0 + 0 + 0 + 2 + 131 = 666.

It is not a de Polignac number, because 123230000002131 - 2⁵ = 123230000002099 is a prime.

It is a super-2 number, since 2×123230000002131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123230000002111) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 207457912165 + ... + 207457912758.

It is an arithmetic number, because the mean of its divisors is an integer number (12447474747720).

Almost surely, 2^{123230000002131} is an apocalyptic number.

123230000002131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123230000002131 is a deficient number, since it is larger than the sum of its proper divisors (75929595961389).

123230000002131 is a wasteful number, since it uses less digits than its factorization.

123230000002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414915824943 (or 414915824937 counting only the distinct ones).

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

Adding to 123230000002131 its reverse (131200000032321), we get a palindrome (254430000034452).

The spelling of 123230000002131 in words is "one hundred twenty-three trillion, two hundred thirty billion, two thousand, one hundred thirty-one".