123427392 has 56 divisors (see below), whose sum is σ = 356262432. Its totient is φ = 37401600.

The previous prime is 123427379. The next prime is 123427397. The reversal of 123427392 is 293724321.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (123427397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27109 + ... + 31332.

Almost surely, 2^123427392 is an apocalyptic number.

123427392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123427392 is an abundant number, since it is smaller than the sum of its proper divisors (232835040).

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

123427392 is a wasteful number, since it uses less digits than its factorization.

123427392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58467 (or 58457 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 123427392 is about 11109.7881167914. The cubic root of 123427392 is about 497.8943341240.

The spelling of 123427392 in words is "one hundred twenty-three million, four hundred twenty-seven thousand, three hundred ninety-two".