23285539231 has 2 divisors, whose sum is σ = 23285539232. Its totient is φ = 23285539230.

The previous prime is 23285539213. The next prime is 23285539261. The reversal of 23285539231 is 13293558232.

Together with previous prime (23285539213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23285539231 - 2⁷ = 23285539103 is a prime.

It is a super-2 number, since 2×23285539231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23285539261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11642769615 + 11642769616.

It is an arithmetic number, because the mean of its divisors is an integer number (11642769616).

Almost surely, 2^23285539231 is an apocalyptic number.

23285539231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23285539231 is an equidigital number, since it uses as much as digits as its factorization.

23285539231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 23285539231 in words is "twenty-three billion, two hundred eighty-five million, five hundred thirty-nine thousand, two hundred thirty-one".