57234823 has 2 divisors, whose sum is σ = 57234824. Its totient is φ = 57234822.

The previous prime is 57234739. The next prime is 57234829. The reversal of 57234823 is 32843275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57234823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57234829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28617411 + 28617412.

It is an arithmetic number, because the mean of its divisors is an integer number (28617412).

Almost surely, 2^57234823 is an apocalyptic number.

57234823 is a deficient number, since it is larger than the sum of its proper divisors (1).

57234823 is an equidigital number, since it uses as much as digits as its factorization.

57234823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 57234823 is about 7565.3699843431. The cubic root of 57234823 is about 385.3778782736.

The spelling of 57234823 in words is "fifty-seven million, two hundred thirty-four thousand, eight hundred twenty-three".