23311323113 has 8 divisors (see below), whose sum is σ = 25141593288. Its totient is φ = 21486351744.

The previous prime is 23311323109. The next prime is 23311323169. The reversal of 23311323113 is 31132311332.

It can be written as a sum of positive squares in 4 ways, for example, as 2185282009 + 21126041104 = 46747^2 + 145348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23311323113 - 2² = 23311323109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23311323313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315556 + ... + 1333157.

It is an arithmetic number, because the mean of its divisors is an integer number (3142699161).

Almost surely, 2^23311323113 is an apocalyptic number.

It is an amenable number.

23311323113 is a deficient number, since it is larger than the sum of its proper divisors (1830270175).

23311323113 is a wasteful number, since it uses less digits than its factorization.

23311323113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649403.

The product of its digits is 972, while the sum is 23.

Adding to 23311323113 its reverse (31132311332), we get a palindrome (54443634445).

The spelling of 23311323113 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, one hundred thirteen".