57123432671 has 2 divisors, whose sum is σ = 57123432672. Its totient is φ = 57123432670.

The previous prime is 57123432571. The next prime is 57123432719. The reversal of 57123432671 is 17623432175.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57123432671 - 2¹⁸ = 57123170527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57123432571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561716335 + 28561716336.

It is an arithmetic number, because the mean of its divisors is an integer number (28561716336).

Almost surely, 2^57123432671 is an apocalyptic number.

57123432671 is a deficient number, since it is larger than the sum of its proper divisors (1).

57123432671 is an equidigital number, since it uses as much as digits as its factorization.

57123432671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 41.

The spelling of 57123432671 in words is "fifty-seven billion, one hundred twenty-three million, four hundred thirty-two thousand, six hundred seventy-one".