57723437 has 2 divisors, whose sum is σ = 57723438. Its totient is φ = 57723436.

The previous prime is 57723431. The next prime is 57723467. The reversal of 57723437 is 73432775.

57723437 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 can be written as a sum of positive squares in only one way, i.e., 53963716 + 3759721 = 7346^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 57723437 - 2⁶ = 57723373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57723437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57723431) 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, 28861718 + 28861719.

It is an arithmetic number, because the mean of its divisors is an integer number (28861719).

Almost surely, 2^57723437 is an apocalyptic number.

It is an amenable number.

57723437 is a deficient number, since it is larger than the sum of its proper divisors (1).

57723437 is an equidigital number, since it uses as much as digits as its factorization.

57723437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 38.

The square root of 57723437 is about 7597.5941586794. The cubic root of 57723437 is about 386.4714299581.

The spelling of 57723437 in words is "fifty-seven million, seven hundred twenty-three thousand, four hundred thirty-seven".