57123215047 has 2 divisors, whose sum is σ = 57123215048. Its totient is φ = 57123215046.

The previous prime is 57123215011. The next prime is 57123215113. The reversal of 57123215047 is 74051232175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57123215047 - 2³⁵ = 22763476679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57123214997 and 57123215015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57123255047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561607523 + 28561607524.

It is an arithmetic number, because the mean of its divisors is an integer number (28561607524).

Almost surely, 2^57123215047 is an apocalyptic number.

57123215047 is a deficient number, since it is larger than the sum of its proper divisors (1).

57123215047 is an equidigital number, since it uses as much as digits as its factorization.

57123215047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 57123215047 in words is "fifty-seven billion, one hundred twenty-three million, two hundred fifteen thousand, forty-seven".