20223143112 has 16 divisors (see below), whose sum is σ = 50557857840. Its totient is φ = 6741047696.

The previous prime is 20223143111. The next prime is 20223143123. The reversal of 20223143112 is 21134132202.

It is not an unprimeable number, because it can be changed into a prime (20223143111) 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, 421315458 + ... + 421315505.

It is an arithmetic number, because the mean of its divisors is an integer number (3159866115).

Almost surely, 2^20223143112 is an apocalyptic number.

It is an amenable number.

20223143112 is an abundant number, since it is smaller than the sum of its proper divisors (30334714728).

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

20223143112 is a wasteful number, since it uses less digits than its factorization.

20223143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842630972 (or 842630968 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20223143112 its reverse (21134132202), we get a palindrome (41357275314).

The spelling of 20223143112 in words is "twenty billion, two hundred twenty-three million, one hundred forty-three thousand, one hundred twelve".