57013823 has 2 divisors, whose sum is σ = 57013824. Its totient is φ = 57013822.

The previous prime is 57013777. The next prime is 57013907. The reversal of 57013823 is 32831075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57013823 - 2¹⁸ = 56751679 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28506911 + 28506912.

It is an arithmetic number, because the mean of its divisors is an integer number (28506912).

Almost surely, 2^57013823 is an apocalyptic number.

57013823 is a deficient number, since it is larger than the sum of its proper divisors (1).

57013823 is an equidigital number, since it uses as much as digits as its factorization.

57013823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 57013823 is about 7550.7498303149. The cubic root of 57013823 is about 384.8812204560.

Adding to 57013823 its reverse (32831075), we get a palindrome (89844898).

The spelling of 57013823 in words is "fifty-seven million, thirteen thousand, eight hundred twenty-three".