168723132 has 24 divisors (see below), whose sum is σ = 395867472. Its totient is φ = 55929600.

The previous prime is 168723043. The next prime is 168723143. The reversal of 168723132 is 231327861.

168723132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 168723093 and 168723102.

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, 36669 + ... + 41012.

It is an arithmetic number, because the mean of its divisors is an integer number (16494478).

Almost surely, 2^168723132 is an apocalyptic number.

168723132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168723132 is an abundant number, since it is smaller than the sum of its proper divisors (227144340).

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

168723132 is a wasteful number, since it uses less digits than its factorization.

168723132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77869 (or 77867 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 168723132 is about 12989.3468657974. The cubic root of 168723132 is about 552.5753950740.

The spelling of 168723132 in words is "one hundred sixty-eight million, seven hundred twenty-three thousand, one hundred thirty-two".