13423397329831 has 2 divisors, whose sum is σ = 13423397329832. Its totient is φ = 13423397329830.

The previous prime is 13423397329813. The next prime is 13423397329889. The reversal of 13423397329831 is 13892379332431.

13423397329831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (13423397329813) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (13423397329889) can be obtained adding 13423397329831 to its sum of digits (58).

It is a weak prime.

It is an emirp because it is prime and its reverse (13892379332431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13423397329831 - 2⁷ = 13423397329703 is a prime.

It is a super-2 number, since 2×13423397329831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13423397329891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711698664915 + 6711698664916.

It is an arithmetic number, because the mean of its divisors is an integer number (6711698664916).

Almost surely, 2^{13423397329831} is an apocalyptic number.

13423397329831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423397329831 is an equidigital number, since it uses as much as digits as its factorization.

13423397329831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17635968, while the sum is 58.

The spelling of 13423397329831 in words is "thirteen trillion, four hundred twenty-three billion, three hundred ninety-seven million, three hundred twenty-nine thousand, eight hundred thirty-one".