23021113223 has 4 divisors (see below), whose sum is σ = 23022867960. Its totient is φ = 23019358488.

The previous prime is 23021113217. The next prime is 23021113249. The reversal of 23021113223 is 32231112032.

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 23021113223 - 2⁴ = 23021113207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021113195 and 23021113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021113253) 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, 857540 + ... + 883977.

It is an arithmetic number, because the mean of its divisors is an integer number (5755716990).

Almost surely, 2^23021113223 is an apocalyptic number.

23021113223 is a deficient number, since it is larger than the sum of its proper divisors (1754737).

23021113223 is a wasteful number, since it uses less digits than its factorization.

23021113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754736.

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

Adding to 23021113223 its reverse (32231112032), we get a palindrome (55252225255).

The spelling of 23021113223 in words is "twenty-three billion, twenty-one million, one hundred thirteen thousand, two hundred twenty-three".