123673152100 has 72 divisors (see below), whose sum is σ = 289518922728. Its totient is φ = 45680793600.

The previous prime is 123673152061. The next prime is 123673152101. The reversal of 123673152100 is 1251376321.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 573219364 + 123099932736 = 23942^2 + 350856^2 .

It is not an unprimeable number, because it can be changed into a prime (123673152101) 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, 596211 + ... + 776410.

It is an arithmetic number, because the mean of its divisors is an integer number (4021096149).

Almost surely, 2^123673152100 is an apocalyptic number.

123673152100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123673152100 is an abundant number, since it is smaller than the sum of its proper divisors (165845770628).

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

123673152100 is a wasteful number, since it uses less digits than its factorization.

123673152100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372705 (or 1372698 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 123673152100 in words is "one hundred twenty-three billion, six hundred seventy-three million, one hundred fifty-two thousand, one hundred".