231568422473 has 2 divisors, whose sum is σ = 231568422474. Its totient is φ = 231568422472.

The previous prime is 231568422469. The next prime is 231568422499. The reversal of 231568422473 is 374224865132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126470563129 + 105097859344 = 355627^2 + 324188^2 .

It is a cyclic number.

It is not a de Polignac number, because 231568422473 - 2² = 231568422469 is a prime.

It is a super-2 number, since 2×231568422473² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231568422403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115784211236 + 115784211237.

It is an arithmetic number, because the mean of its divisors is an integer number (115784211237).

Almost surely, 2^231568422473 is an apocalyptic number.

It is an amenable number.

231568422473 is a deficient number, since it is larger than the sum of its proper divisors (1).

231568422473 is an equidigital number, since it uses as much as digits as its factorization.

231568422473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 47.

The spelling of 231568422473 in words is "two hundred thirty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred seventy-three".