123100132 has 24 divisors (see below), whose sum is σ = 226582272. Its totient is φ = 58437600.

The previous prime is 123100129. The next prime is 123100139. The reversal of 123100132 is 231001321.

It is not an unprimeable number, because it can be changed into a prime (123100139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2794 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (9440928).

Almost surely, 2^123100132 is an apocalyptic number.

It is an amenable number.

123100132 is a deficient number, since it is larger than the sum of its proper divisors (103482140).

123100132 is a wasteful number, since it uses less digits than its factorization.

123100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18819 (or 18817 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 123100132 is about 11095.0498872245. The cubic root of 123100132 is about 497.4538994175.

Adding to 123100132 its reverse (231001321), we get a palindrome (354101453).

The spelling of 123100132 in words is "one hundred twenty-three million, one hundred thousand, one hundred thirty-two".