23236631569 has 2 divisors, whose sum is σ = 23236631570. Its totient is φ = 23236631568.

The previous prime is 23236631501. The next prime is 23236631623. The reversal of 23236631569 is 96513663232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22948311169 + 288320400 = 151487^2 + 16980^2 .

It is a cyclic number.

It is not a de Polignac number, because 23236631569 - 2¹⁹ = 23236107281 is a prime.

It is a super-2 number, since 2×23236631569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23236641569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11618315784 + 11618315785.

It is an arithmetic number, because the mean of its divisors is an integer number (11618315785).

Almost surely, 2^23236631569 is an apocalyptic number.

It is an amenable number.

23236631569 is a deficient number, since it is larger than the sum of its proper divisors (1).

23236631569 is an equidigital number, since it uses as much as digits as its factorization.

23236631569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 46.

It can be divided in two parts, 2323663 and 1569, that added together give a palindrome (2325232).

The spelling of 23236631569 in words is "twenty-three billion, two hundred thirty-six million, six hundred thirty-one thousand, five hundred sixty-nine".