231568422469 has 2 divisors, whose sum is σ = 231568422470. Its totient is φ = 231568422468.

The previous prime is 231568422431. The next prime is 231568422473. The reversal of 231568422469 is 964224865132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210263517025 + 21304905444 = 458545^2 + 145962^2 .

It is a cyclic number.

It is not a de Polignac number, because 231568422469 - 2¹⁷ = 231568291397 is a prime.

It is a super-3 number, since 3×231568422469³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231568422499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115784211234 + 115784211235.

It is an arithmetic number, because the mean of its divisors is an integer number (115784211235).

Almost surely, 2^231568422469 is an apocalyptic number.

It is an amenable number.

231568422469 is a deficient number, since it is larger than the sum of its proper divisors (1).

231568422469 is an equidigital number, since it uses as much as digits as its factorization.

231568422469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 52.

The spelling of 231568422469 in words is "two hundred thirty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred sixty-nine".