123427357 has 4 divisors (see below), whose sum is σ = 123450460. Its totient is φ = 123404256.

The previous prime is 123427321. The next prime is 123427379. The reversal of 123427357 is 753724321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99720196 + 23707161 = 9986^2 + 4869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123427357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123427307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (30862615).

Almost surely, 2^123427357 is an apocalyptic number.

It is an amenable number.

123427357 is a deficient number, since it is larger than the sum of its proper divisors (23103).

123427357 is an equidigital number, since it uses as much as digits as its factorization.

123427357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23102.

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

The square root of 123427357 is about 11109.7865416038. The cubic root of 123427357 is about 497.8942870618.

The spelling of 123427357 in words is "one hundred twenty-three million, four hundred twenty-seven thousand, three hundred fifty-seven".