23111223023 has 4 divisors (see below), whose sum is σ = 26412826320. Its totient is φ = 19809619728.

The previous prime is 23111222999. The next prime is 23111223067. The reversal of 23111223023 is 32032211132.

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 23111223023 - 2⁸ = 23111222767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23111222986 and 23111223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111253023) 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, 1650801638 + ... + 1650801651.

It is an arithmetic number, because the mean of its divisors is an integer number (6603206580).

Almost surely, 2^23111223023 is an apocalyptic number.

23111223023 is a deficient number, since it is larger than the sum of its proper divisors (3301603297).

23111223023 is an equidigital number, since it uses as much as digits as its factorization.

23111223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301603296.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23111223023 its reverse (32032211132), we get a palindrome (55143434155).

The spelling of 23111223023 in words is "twenty-three billion, one hundred eleven million, two hundred twenty-three thousand, twenty-three".