123031013330100 has 72 divisors (see below), whose sum is σ = 356064382795968. Its totient is φ = 32799546636800.

The previous prime is 123031013330089. The next prime is 123031013330107. The reversal of 123031013330100 is 1033310130321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123031013330107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53392224 + ... + 55648823.

It is an arithmetic number, because the mean of its divisors is an integer number (4945338649944).

Almost surely, 2^{123031013330100} is an apocalyptic number.

123031013330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031013330100 is an abundant number, since it is smaller than the sum of its proper divisors (233033369465868).

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

123031013330100 is a wasteful number, since it uses less digits than its factorization.

123031013330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109044825 (or 109044818 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123031013330100 its reverse (1033310130321), we get a palindrome (124064323460421).

The spelling of 123031013330100 in words is "one hundred twenty-three trillion, thirty-one billion, thirteen million, three hundred thirty thousand, one hundred".