123988632 has 32 divisors (see below), whose sum is σ = 316569600. Its totient is φ = 40449824.

The previous prime is 123988621. The next prime is 123988663. The reversal of 123988632 is 236889321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53832 + ... + 56087.

It is an arithmetic number, because the mean of its divisors is an integer number (9892800).

Almost surely, 2^123988632 is an apocalyptic number.

123988632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123988632 is an abundant number, since it is smaller than the sum of its proper divisors (192580968).

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

123988632 is a wasteful number, since it uses less digits than its factorization.

123988632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109975 (or 109971 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 123988632 is about 11135.0182756922. The cubic root of 123988632 is about 498.6478560429.

The spelling of 123988632 in words is "one hundred twenty-three million, nine hundred eighty-eight thousand, six hundred thirty-two".