123011131003130 has 64 divisors (see below), whose sum is σ = 223968063421728. Its totient is φ = 48639804825600.

The previous prime is 123011131003037. The next prime is 123011131003141. The reversal of 123011131003130 is 31300131110321.

It can be written as a sum of positive squares in 16 ways, for example, as 58989481172521 + 64021649830609 = 7680461^2 + 8001353^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3785291042 + ... + 3785323538.

Almost surely, 2^{123011131003130} is an apocalyptic number.

123011131003130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011131003130 is a deficient number, since it is larger than the sum of its proper divisors (100956932418598).

123011131003130 is a wasteful number, since it uses less digits than its factorization.

123011131003130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38451.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 123011131003130 its reverse (31300131110321), we get a palindrome (154311262113451).

The spelling of 123011131003130 in words is "one hundred twenty-three trillion, eleven billion, one hundred thirty-one million, three thousand, one hundred thirty".