123427375 has 16 divisors (see below), whose sum is σ = 158206464. Its totient is φ = 96069600.

The previous prime is 123427321. The next prime is 123427379. The reversal of 123427375 is 573724321.

It is a de Polignac number, because none of the positive numbers 2^k-123427375 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123427375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123427379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8719 + ... + 17968.

It is an arithmetic number, because the mean of its divisors is an integer number (9887904).

Almost surely, 2^123427375 is an apocalyptic number.

123427375 is a deficient number, since it is larger than the sum of its proper divisors (34779089).

123427375 is an equidigital number, since it uses as much as digits as its factorization.

123427375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26739 (or 26729 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 123427375 is about 11109.7873517003. The cubic root of 123427375 is about 497.8943112652.

The spelling of 123427375 in words is "one hundred twenty-three million, four hundred twenty-seven thousand, three hundred seventy-five".