223212131323223 has 16 divisors (see below), whose sum is σ = 255176225158464. Its totient is φ = 191267201422080.

The previous prime is 223212131323211. The next prime is 223212131323297. The reversal of 223212131323223 is 322323131212322.

223212131323223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223212131323223 - 2⁸ = 223212131322967 is a prime.

It is a super-3 number, since 3×223212131323223³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223212131323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223212131323123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314062011 + ... + 2314158467.

It is an arithmetic number, because the mean of its divisors is an integer number (15948514072404).

Almost surely, 2^{223212131323223} is an apocalyptic number.

223212131323223 is a deficient number, since it is larger than the sum of its proper divisors (31964093835241).

223212131323223 is an equidigital number, since it uses as much as digits as its factorization.

223212131323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192362.

The product of its digits is 31104, while the sum is 32.

Adding to 223212131323223 its reverse (322323131212322), we get a palindrome (545535262535545).

The spelling of 223212131323223 in words is "two hundred twenty-three trillion, two hundred twelve billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred twenty-three".