23112202223 has 4 divisors (see below), whose sum is σ = 25213311528. Its totient is φ = 21011092920.

The previous prime is 23112202213. The next prime is 23112202231. The reversal of 23112202223 is 32220221132.

It is a happy number.

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 23112202223 - 2⁴ = 23112202207 is a prime.

It is a super-2 number, since 2×23112202223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23112202195 and 23112202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112202213) 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, 1050554636 + ... + 1050554657.

It is an arithmetic number, because the mean of its divisors is an integer number (6303327882).

Almost surely, 2^23112202223 is an apocalyptic number.

23112202223 is a deficient number, since it is larger than the sum of its proper divisors (2101109305).

23112202223 is a wasteful number, since it uses less digits than its factorization.

23112202223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101109304.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23112202223 its reverse (32220221132), we get a palindrome (55332423355).

The spelling of 23112202223 in words is "twenty-three billion, one hundred twelve million, two hundred two thousand, two hundred twenty-three".