23312322222 has 80 divisors (see below), whose sum is σ = 54526596432. Its totient is φ = 6644211840.

The previous prime is 23312322211. The next prime is 23312322233. The reversal of 23312322222 is 22222321332.

It is an interprime number because it is at equal distance from previous prime (23312322211) and next prime (23312322233).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23312322192 and 23312322201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6581772 + ... + 6585312.

Almost surely, 2^23312322222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23312322222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27263298216).

23312322222 is an abundant number, since it is smaller than the sum of its proper divisors (31214274210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23312322222 is an equidigital number, since it uses as much as digits as its factorization.

23312322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4010 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

Adding to 23312322222 its reverse (22222321332), we get a palindrome (45534643554).

The spelling of 23312322222 in words is "twenty-three billion, three hundred twelve million, three hundred twenty-two thousand, two hundred twenty-two".