57723401 has 2 divisors, whose sum is σ = 57723402. Its totient is φ = 57723400.

The previous prime is 57723389. The next prime is 57723431. The reversal of 57723401 is 10432775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56235001 + 1488400 = 7499^2 + 1220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57723401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon 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 (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28861700 + 28861701.

It is an arithmetic number, because the mean of its divisors is an integer number (28861701).

Almost surely, 2^57723401 is an apocalyptic number.

It is an amenable number.

57723401 is a deficient number, since it is larger than the sum of its proper divisors (1).

57723401 is an equidigital number, since it uses as much as digits as its factorization.

57723401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 57723401 is about 7597.5917895080. The cubic root of 57723401 is about 386.4713496154.

The spelling of 57723401 in words is "fifty-seven million, seven hundred twenty-three thousand, four hundred one".