13323875437 has 2 divisors, whose sum is σ = 13323875438. Its totient is φ = 13323875436.

The previous prime is 13323875363. The next prime is 13323875447. The reversal of 13323875437 is 73457832331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12272429961 + 1051445476 = 110781^2 + 32426^2 .

It is a cyclic number.

It is not a de Polignac number, because 13323875437 - 2⁷ = 13323875309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13323875447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661937718 + 6661937719.

It is an arithmetic number, because the mean of its divisors is an integer number (6661937719).

Almost surely, 2^13323875437 is an apocalyptic number.

It is an amenable number.

13323875437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323875437 is an equidigital number, since it uses as much as digits as its factorization.

13323875437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The spelling of 13323875437 in words is "thirteen billion, three hundred twenty-three million, eight hundred seventy-five thousand, four hundred thirty-seven".