3123142397 has 2 divisors, whose sum is σ = 3123142398. Its totient is φ = 3123142396.

The previous prime is 3123142387. The next prime is 3123142409. The reversal of 3123142397 is 7932413213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2952944281 + 170198116 = 54341^2 + 13046^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123142397 - 2¹² = 3123138301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123142307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561571198 + 1561571199.

It is an arithmetic number, because the mean of its divisors is an integer number (1561571199).

Almost surely, 2^3123142397 is an apocalyptic number.

It is an amenable number.

3123142397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123142397 is an equidigital number, since it uses as much as digits as its factorization.

3123142397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 3123142397 is about 55885.0820613158. The cubic root of 3123142397 is about 1461.7191229341.

The spelling of 3123142397 in words is "three billion, one hundred twenty-three million, one hundred forty-two thousand, three hundred ninety-seven".