223423432312 has 16 divisors (see below), whose sum is σ = 418929720840. Its totient is φ = 111708840096.

The previous prime is 223423432289. The next prime is 223423432321. The reversal of 223423432312 is 213234324322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9283 + ... + 668530.

Almost surely, 2^223423432312 is an apocalyptic number.

It is an amenable number.

223423432312 is a deficient number, since it is larger than the sum of its proper divisors (195506288528).

223423432312 is a wasteful number, since it uses less digits than its factorization.

223423432312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719022 (or 719018 counting only the distinct ones).

The product of its digits is 41472, while the sum is 31.

Adding to 223423432312 its reverse (213234324322), we get a palindrome (436657756634).

The spelling of 223423432312 in words is "two hundred twenty-three billion, four hundred twenty-three million, four hundred thirty-two thousand, three hundred twelve".