23543312266 has 24 divisors (see below), whose sum is σ = 37754630784. Its totient is φ = 10999075920.

The previous prime is 23543312213. The next prime is 23543312323. The reversal of 23543312266 is 66221334532.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173620 + ... + 277903.

It is an arithmetic number, because the mean of its divisors is an integer number (1573109616).

Almost surely, 2^23543312266 is an apocalyptic number.

23543312266 is a deficient number, since it is larger than the sum of its proper divisors (14211318518).

23543312266 is a wasteful number, since it uses less digits than its factorization.

23543312266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451614 (or 451585 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

Adding to 23543312266 its reverse (66221334532), we get a palindrome (89764646798).

The spelling of 23543312266 in words is "twenty-three billion, five hundred forty-three million, three hundred twelve thousand, two hundred sixty-six".