123101232031000 has 128 divisors (see below), whose sum is σ = 309179510040960. Its totient is φ = 45709143552000.

The previous prime is 123101232030977. The next prime is 123101232031061. The reversal of 123101232031000 is 130232101321.

It is a super-2 number, since 2×123101232031000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48356596 + ... + 50838595.

It is an arithmetic number, because the mean of its divisors is an integer number (2415464922195).

Almost surely, 2^{123101232031000} is an apocalyptic number.

123101232031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123101232031000 is an abundant number, since it is smaller than the sum of its proper divisors (186078278009960).

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

123101232031000 is a wasteful number, since it uses less digits than its factorization.

123101232031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99195302 (or 99195288 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123101232031000 its reverse (130232101321), we get a palindrome (123231464132321).

The spelling of 123101232031000 in words is "one hundred twenty-three trillion, one hundred one billion, two hundred thirty-two million, thirty-one thousand".