23313023311 has 4 divisors (see below), whose sum is σ = 23641375824. Its totient is φ = 22984670800.

The previous prime is 23313023299. The next prime is 23313023347. The reversal of 23313023311 is 11332031332.

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

It is a cyclic number.

It is not a de Polignac number, because 23313023311 - 2²¹ = 23310926159 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 (23313023711) 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, 164176150 + ... + 164176291.

It is an arithmetic number, because the mean of its divisors is an integer number (5910343956).

Almost surely, 2^23313023311 is an apocalyptic number.

23313023311 is a deficient number, since it is larger than the sum of its proper divisors (328352513).

23313023311 is an equidigital number, since it uses as much as digits as its factorization.

23313023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328352512.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23313023311 its reverse (11332031332), we get a palindrome (34645054643).

The spelling of 23313023311 in words is "twenty-three billion, three hundred thirteen million, twenty-three thousand, three hundred eleven".