57123217037 has 2 divisors, whose sum is σ = 57123217038. Its totient is φ = 57123217036.

The previous prime is 57123217031. The next prime is 57123217057. The reversal of 57123217037 is 73071232175.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55171432996 + 1951784041 = 234886^2 + 44179^2 .

It is a cyclic number.

It is not a de Polignac number, because 57123217037 - 2²⁴ = 57106439821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57123217031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561608518 + 28561608519.

It is an arithmetic number, because the mean of its divisors is an integer number (28561608519).

Almost surely, 2^57123217037 is an apocalyptic number.

It is an amenable number.

57123217037 is a deficient number, since it is larger than the sum of its proper divisors (1).

57123217037 is an equidigital number, since it uses as much as digits as its factorization.

57123217037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 57123217037 in words is "fifty-seven billion, one hundred twenty-three million, two hundred seventeen thousand, thirty-seven".