3123103120057 has 2 divisors, whose sum is σ = 3123103120058. Its totient is φ = 3123103120056.

The previous prime is 3123103120051. The next prime is 3123103120061. The reversal of 3123103120057 is 7500213013213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2323990487296 + 799112632761 = 1524464^2 + 893931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3123103120057 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123103120051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561551560028 + 1561551560029.

It is an arithmetic number, because the mean of its divisors is an integer number (1561551560029).

Almost surely, 2^{3123103120057} is an apocalyptic number.

It is an amenable number.

3123103120057 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123103120057 is an equidigital number, since it uses as much as digits as its factorization.

3123103120057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The spelling of 3123103120057 in words is "three trillion, one hundred twenty-three billion, one hundred three million, one hundred twenty thousand, fifty-seven".