23273722733 has 4 divisors (see below), whose sum is σ = 23375354940. Its totient is φ = 23172090528.

The previous prime is 23273722723. The next prime is 23273722757. The reversal of 23273722733 is 33722737232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10165075684 + 13108647049 = 100822^2 + 114493^2 .

It is a cyclic number.

It is not a de Polignac number, because 23273722733 - 2²⁰ = 23272674157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23273722723) 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, 50815760 + ... + 50816217.

It is an arithmetic number, because the mean of its divisors is an integer number (5843838735).

Almost surely, 2^23273722733 is an apocalyptic number.

It is an amenable number.

23273722733 is a deficient number, since it is larger than the sum of its proper divisors (101632207).

23273722733 is a wasteful number, since it uses less digits than its factorization.

23273722733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101632206.

The product of its digits is 444528, while the sum is 41.

The spelling of 23273722733 in words is "twenty-three billion, two hundred seventy-three million, seven hundred twenty-two thousand, seven hundred thirty-three".