223021344012 has 96 divisors (see below), whose sum is σ = 534685240320. Its totient is φ = 72312367680.

The previous prime is 223021343957. The next prime is 223021344053. The reversal of 223021344012 is 210443120322.

It is a happy number.

It is a super-2 number, since 2×223021344012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218862439 + ... + 218863457.

It is an arithmetic number, because the mean of its divisors is an integer number (5569637920).

Almost surely, 2^223021344012 is an apocalyptic number.

It is an amenable number.

223021344012 is an abundant number, since it is smaller than the sum of its proper divisors (311663896308).

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

223021344012 is a wasteful number, since it uses less digits than its factorization.

223021344012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 223021344012 its reverse (210443120322), we get a palindrome (433464464334).

The spelling of 223021344012 in words is "two hundred twenty-three billion, twenty-one million, three hundred forty-four thousand, twelve".