123031133122130 has 64 divisors (see below), whose sum is σ = 225012033216000. Its totient is φ = 48426512808960.

The previous prime is 123031133122097. The next prime is 123031133122199. The reversal of 123031133122130 is 31221331130321.

It is a super-2 number, since 2×123031133122130² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123031133122130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 797205854 + ... + 797360166.

It is an arithmetic number, because the mean of its divisors is an integer number (3515813019000).

Almost surely, 2^{123031133122130} is an apocalyptic number.

123031133122130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031133122130 is a deficient number, since it is larger than the sum of its proper divisors (101980900093870).

123031133122130 is a wasteful number, since it uses less digits than its factorization.

123031133122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157779.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123031133122130 its reverse (31221331130321), we get a palindrome (154252464252451).

The spelling of 123031133122130 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred thirty-three million, one hundred twenty-two thousand, one hundred thirty".