14323731397 has 2 divisors, whose sum is σ = 14323731398. Its totient is φ = 14323731396.

The previous prime is 14323731329. The next prime is 14323731451. The reversal of 14323731397 is 79313732341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14243467716 + 80263681 = 119346^2 + 8959^2 .

It is a cyclic number.

It is not a de Polignac number, because 14323731397 - 2⁷ = 14323731269 is a prime.

It is a super-2 number, since 2×14323731397² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14323737397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7161865698 + 7161865699.

It is an arithmetic number, because the mean of its divisors is an integer number (7161865699).

Almost surely, 2^14323731397 is an apocalyptic number.

It is an amenable number.

14323731397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14323731397 is an equidigital number, since it uses as much as digits as its factorization.

14323731397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 43.

The spelling of 14323731397 in words is "fourteen billion, three hundred twenty-three million, seven hundred thirty-one thousand, three hundred ninety-seven".