223351223452 has 24 divisors (see below), whose sum is σ = 451125249120. Its totient is φ = 94774209600.

The previous prime is 223351223449. The next prime is 223351223467. The reversal of 223351223452 is 254322153322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39486427 + ... + 39492082.

It is an arithmetic number, because the mean of its divisors is an integer number (18796885380).

Almost surely, 2^223351223452 is an apocalyptic number.

It is an amenable number.

223351223452 is an abundant number, since it is smaller than the sum of its proper divisors (227774025668).

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

223351223452 is a wasteful number, since it uses less digits than its factorization.

223351223452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78978621 (or 78978619 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 223351223452 its reverse (254322153322), we get a palindrome (477673376774).

The spelling of 223351223452 in words is "two hundred twenty-three billion, three hundred fifty-one million, two hundred twenty-three thousand, four hundred fifty-two".