3123404433397 has 2 divisors, whose sum is σ = 3123404433398. Its totient is φ = 3123404433396.

The previous prime is 3123404433389. The next prime is 3123404433431. The reversal of 3123404433397 is 7933344043213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3122338476196 + 1065957201 = 1767014^2 + 32649^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123404433397 - 2³ = 3123404433389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123404433377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561702216698 + 1561702216699.

It is an arithmetic number, because the mean of its divisors is an integer number (1561702216699).

Almost surely, 2^{3123404433397} is an apocalyptic number.

It is an amenable number.

3123404433397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123404433397 is an equidigital number, since it uses as much as digits as its factorization.

3123404433397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 46.

The spelling of 3123404433397 in words is "three trillion, one hundred twenty-three billion, four hundred four million, four hundred thirty-three thousand, three hundred ninety-seven".