231645674363293 has 2 divisors, whose sum is σ = 231645674363294. Its totient is φ = 231645674363292.

The previous prime is 231645674363291. The next prime is 231645674363393. The reversal of 231645674363293 is 392363476546132.

231645674363293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223307654284324 + 8338020078969 = 14943482^2 + 2887563^2 .

It is a cyclic number.

It is not a de Polignac number, because 231645674363293 - 2¹ = 231645674363291 is a prime.

Together with 231645674363291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231645674363291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115822837181646 + 115822837181647.

It is an arithmetic number, because the mean of its divisors is an integer number (115822837181647).

Almost surely, 2^{231645674363293} is an apocalyptic number.

It is an amenable number.

231645674363293 is a deficient number, since it is larger than the sum of its proper divisors (1).

231645674363293 is an equidigital number, since it uses as much as digits as its factorization.

231645674363293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352719360, while the sum is 64.

The spelling of 231645674363293 in words is "two hundred thirty-one trillion, six hundred forty-five billion, six hundred seventy-four million, three hundred sixty-three thousand, two hundred ninety-three".