57668423 has 2 divisors, whose sum is σ = 57668424. Its totient is φ = 57668422.

The previous prime is 57668407. The next prime is 57668491. The reversal of 57668423 is 32486675.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57668423 - 2⁴ = 57668407 is a prime.

It is a super-2 number, since 2×57668423² = 6651294022613858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57668123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28834211 + 28834212.

It is an arithmetic number, because the mean of its divisors is an integer number (28834212).

Almost surely, 2^57668423 is an apocalyptic number.

57668423 is a deficient number, since it is larger than the sum of its proper divisors (1).

57668423 is an equidigital number, since it uses as much as digits as its factorization.

57668423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 57668423 is about 7593.9728074309. The cubic root of 57668423 is about 386.3486138867.

The spelling of 57668423 in words is "fifty-seven million, six hundred sixty-eight thousand, four hundred twenty-three".