123681932 has 24 divisors (see below), whose sum is σ = 241614912. Its totient is φ = 54910800.

The previous prime is 123681917. The next prime is 123681941. The reversal of 123681932 is 239186321.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 123681892 and 123681901.

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, 30794 + ... + 34577.

It is an arithmetic number, because the mean of its divisors is an integer number (10067288).

Almost surely, 2^123681932 is an apocalyptic number.

It is an amenable number.

123681932 is a deficient number, since it is larger than the sum of its proper divisors (117932980).

123681932 is a wasteful number, since it uses less digits than its factorization.

123681932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65429 (or 65427 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 123681932 is about 11121.2378807397. The cubic root of 123681932 is about 498.2363624796.

The spelling of 123681932 in words is "one hundred twenty-three million, six hundred eighty-one thousand, nine hundred thirty-two".