57842623 has 2 divisors, whose sum is σ = 57842624. Its totient is φ = 57842622.

The previous prime is 57842573. The next prime is 57842639. The reversal of 57842623 is 32624875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57842623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57842693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28921311 + 28921312.

It is an arithmetic number, because the mean of its divisors is an integer number (28921312).

Almost surely, 2^57842623 is an apocalyptic number.

57842623 is a deficient number, since it is larger than the sum of its proper divisors (1).

57842623 is an equidigital number, since it uses as much as digits as its factorization.

57842623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 57842623 is about 7605.4337811857. The cubic root of 57842623 is about 386.7372394802.

The spelling of 57842623 in words is "fifty-seven million, eight hundred forty-two thousand, six hundred twenty-three".