223312120432 has 20 divisors (see below), whose sum is σ = 432791279496. Its totient is φ = 111624048320.

The previous prime is 223312120399. The next prime is 223312120453. The reversal of 223312120432 is 234021213322.

It is a junction number, because it is equal to n+sod(n) for n = 223312120397 and 223312120406.

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, 1943143 + ... + 2054854.

Almost surely, 2^223312120432 is an apocalyptic number.

It is an amenable number.

223312120432 is a deficient number, since it is larger than the sum of its proper divisors (209479159064).

223312120432 is a wasteful number, since it uses less digits than its factorization.

223312120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001496 (or 4001490 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223312120432 its reverse (234021213322), we get a palindrome (457333333754).

The spelling of 223312120432 in words is "two hundred twenty-three billion, three hundred twelve million, one hundred twenty thousand, four hundred thirty-two".