57223723 has 2 divisors, whose sum is σ = 57223724. Its totient is φ = 57223722.

The previous prime is 57223709. The next prime is 57223753. The reversal of 57223723 is 32732275.

57223723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57223723 - 2¹³ = 57215531 is a prime.

It is not a weakly prime, because it can be changed into another prime (57223753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28611861 + 28611862.

It is an arithmetic number, because the mean of its divisors is an integer number (28611862).

Almost surely, 2^57223723 is an apocalyptic number.

57223723 is a deficient number, since it is larger than the sum of its proper divisors (1).

57223723 is an equidigital number, since it uses as much as digits as its factorization.

57223723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 31.

The square root of 57223723 is about 7564.6363428786. The cubic root of 57223723 is about 385.3529635405.

Adding to 57223723 its reverse (32732275), we get a palindrome (89955998).

The spelling of 57223723 in words is "fifty-seven million, two hundred twenty-three thousand, seven hundred twenty-three".