23280638269 has 32 divisors (see below), whose sum is σ = 28672738560. Its totient is φ = 18460224000.

The previous prime is 23280638267. The next prime is 23280638273. The reversal of 23280638269 is 96283608232.

It is a cyclic number.

It is not a de Polignac number, because 23280638269 - 2¹ = 23280638267 is a prime.

It is a super-2 number, since 2×23280638269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280638267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968739 + ... + 992479.

It is an arithmetic number, because the mean of its divisors is an integer number (896023080).

Almost surely, 2^23280638269 is an apocalyptic number.

It is an amenable number.

23280638269 is a deficient number, since it is larger than the sum of its proper divisors (5392100291).

23280638269 is a wasteful number, since it uses less digits than its factorization.

23280638269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23941.

The product of its (nonzero) digits is 1492992, while the sum is 49.

It can be divided in two parts, 2328063 and 8269, that added together give a palindrome (2336332).

The spelling of 23280638269 in words is "twenty-three billion, two hundred eighty million, six hundred thirty-eight thousand, two hundred sixty-nine".