3123321444457 has 2 divisors, whose sum is σ = 3123321444458. Its totient is φ = 3123321444456.

The previous prime is 3123321444413. The next prime is 3123321444499. The reversal of 3123321444457 is 7544441233213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3118540551721 + 4780892736 = 1765939^2 + 69144^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123321444457 - 2³¹ = 3121173960809 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123321444757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561660722228 + 1561660722229.

It is an arithmetic number, because the mean of its divisors is an integer number (1561660722229).

Almost surely, 2^{3123321444457} is an apocalyptic number.

It is an amenable number.

3123321444457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123321444457 is an equidigital number, since it uses as much as digits as its factorization.

3123321444457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 43.

The spelling of 3123321444457 in words is "three trillion, one hundred twenty-three billion, three hundred twenty-one million, four hundred forty-four thousand, four hundred fifty-seven".