57427423 has 2 divisors, whose sum is σ = 57427424. Its totient is φ = 57427422.

The previous prime is 57427399. The next prime is 57427439. The reversal of 57427423 is 32472475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57427423 - 2²¹ = 55330271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57427493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713711 + 28713712.

It is an arithmetic number, because the mean of its divisors is an integer number (28713712).

Almost surely, 2^57427423 is an apocalyptic number.

57427423 is a deficient number, since it is larger than the sum of its proper divisors (1).

57427423 is an equidigital number, since it uses as much as digits as its factorization.

57427423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 34.

The square root of 57427423 is about 7578.0883473340. The cubic root of 57427423 is about 385.8096706355.

Adding to 57427423 its reverse (32472475), we get a palindrome (89899898).

The spelling of 57427423 in words is "fifty-seven million, four hundred twenty-seven thousand, four hundred twenty-three".