23311345238833 has 4 divisors (see below), whose sum is σ = 24538258146160. Its totient is φ = 22084432331508.

The previous prime is 23311345238791. The next prime is 23311345238837. The reversal of 23311345238833 is 33883254311332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23311345238833 - 2²⁹ = 23310808367921 is a prime.

It is a super-2 number, since 2×23311345238833² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311345238837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613456453635 + ... + 613456453672.

It is an arithmetic number, because the mean of its divisors is an integer number (6134564536540).

Almost surely, 2^{23311345238833} is an apocalyptic number.

It is an amenable number.

23311345238833 is a deficient number, since it is larger than the sum of its proper divisors (1226912907327).

23311345238833 is a wasteful number, since it uses less digits than its factorization.

23311345238833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226912907326.

The product of its digits is 3732480, while the sum is 49.

The spelling of 23311345238833 in words is "twenty-three trillion, three hundred eleven billion, three hundred forty-five million, two hundred thirty-eight thousand, eight hundred thirty-three".