23223111312 has 40 divisors (see below), whose sum is σ = 60205062304. Its totient is φ = 7713679104.

The previous prime is 23223111299. The next prime is 23223111337. The reversal of 23223111312 is 21311132232.

It is a super-2 number, since 2×23223111312² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841213 + ... + 868380.

Almost surely, 2^23223111312 is an apocalyptic number.

It is an amenable number.

23223111312 is an abundant number, since it is smaller than the sum of its proper divisors (36981950992).

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

23223111312 is a wasteful number, since it uses less digits than its factorization.

23223111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709887 (or 1709881 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 23223111312 its reverse (21311132232), we get a palindrome (44534243544).

The spelling of 23223111312 in words is "twenty-three billion, two hundred twenty-three million, one hundred eleven thousand, three hundred twelve".