123020032310100 has 54 divisors (see below), whose sum is σ = 385599456832590. Its totient is φ = 32805341949120.

The previous prime is 123020032310051. The next prime is 123020032310213. The reversal of 123020032310100 is 1013230020321.

123020032310100 is a `hidden beast` number, since 1 + 2 + 30 + 200 + 323 + 10 + 100 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 896271184656 + 122123761125444 = 946716^2 + 11050962^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68344461495 + ... + 68344463294.

It is an arithmetic number, because the mean of its divisors is an integer number (7140730682085).

Almost surely, 2^{123020032310100} is an apocalyptic number.

123020032310100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020032310100 is an abundant number, since it is smaller than the sum of its proper divisors (262579424522490).

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

123020032310100 is a wasteful number, since it uses less digits than its factorization.

123020032310100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136688924809 (or 136688924799 counting only the distinct ones).

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

Adding to 123020032310100 its reverse (1013230020321), we get a palindrome (124033262330421).

The spelling of 123020032310100 in words is "one hundred twenty-three trillion, twenty billion, thirty-two million, three hundred ten thousand, one hundred".