123272432 has 10 divisors (see below), whose sum is σ = 238840368. Its totient is φ = 61636208.

The previous prime is 123272431. The next prime is 123272449. The reversal of 123272432 is 234272321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123272431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3852248 + ... + 3852279.

Almost surely, 2^123272432 is an apocalyptic number.

It is an amenable number.

123272432 is a deficient number, since it is larger than the sum of its proper divisors (115567936).

123272432 is an equidigital number, since it uses as much as digits as its factorization.

123272432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7704535 (or 7704529 counting only the distinct ones).

The product of its digits is 4032, while the sum is 26.

The square root of 123272432 is about 11102.8118960919. The cubic root of 123272432 is about 497.6858822412.

The spelling of 123272432 in words is "one hundred twenty-three million, two hundred seventy-two thousand, four hundred thirty-two".