57266423 has 2 divisors, whose sum is σ = 57266424. Its totient is φ = 57266422.

The previous prime is 57266401. The next prime is 57266449. The reversal of 57266423 is 32466275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57266423 - 2⁶ = 57266359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57266453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28633211 + 28633212.

It is an arithmetic number, because the mean of its divisors is an integer number (28633212).

Almost surely, 2^57266423 is an apocalyptic number.

57266423 is a deficient number, since it is larger than the sum of its proper divisors (1).

57266423 is an equidigital number, since it uses as much as digits as its factorization.

57266423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 35.

The square root of 57266423 is about 7567.4581597786. The cubic root of 57266423 is about 385.4487890688.

The spelling of 57266423 in words is "fifty-seven million, two hundred sixty-six thousand, four hundred twenty-three".