57407123 has 2 divisors, whose sum is σ = 57407124. Its totient is φ = 57407122.

The previous prime is 57407099. The next prime is 57407131. The reversal of 57407123 is 32170475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57407123 is a prime.

It is a super-2 number, since 2×57407123² = 6591155542274258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (57407143) 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 as a sum of consecutive naturals, namely, 28703561 + 28703562.

It is an arithmetic number, because the mean of its divisors is an integer number (28703562).

Almost surely, 2^57407123 is an apocalyptic number.

57407123 is a deficient number, since it is larger than the sum of its proper divisors (1).

57407123 is an equidigital number, since it uses as much as digits as its factorization.

57407123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57407123 is about 7576.7488410267. The cubic root of 57407123 is about 385.7642053687.

Adding to 57407123 its reverse (32170475), we get a palindrome (89577598).

The spelling of 57407123 in words is "fifty-seven million, four hundred seven thousand, one hundred twenty-three".