57123247327 has 16 divisors (see below), whose sum is σ = 61783759872. Its totient is φ = 52678850400.

The previous prime is 57123247277. The next prime is 57123247339. The reversal of 57123247327 is 72374232175.

It is a happy number.

It is not a de Polignac number, because 57123247327 - 2²⁷ = 56989029599 is a prime.

It is a super-2 number, since 2×57123247327² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57123247367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321924 + ... + 466777.

It is an arithmetic number, because the mean of its divisors is an integer number (3861484992).

Almost surely, 2^57123247327 is an apocalyptic number.

57123247327 is a deficient number, since it is larger than the sum of its proper divisors (4660512545).

57123247327 is a wasteful number, since it uses less digits than its factorization.

57123247327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788838.

The product of its digits is 493920, while the sum is 43.

The spelling of 57123247327 in words is "fifty-seven billion, one hundred twenty-three million, two hundred forty-seven thousand, three hundred twenty-seven".