223920551312 has 80 divisors (see below), whose sum is σ = 479538807552. Its totient is φ = 100750848000.

The previous prime is 223920551291. The next prime is 223920551353. The reversal of 223920551312 is 213155029322.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18768293 + ... + 18780219.

Almost surely, 2^223920551312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223920551312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239769403776).

223920551312 is an abundant number, since it is smaller than the sum of its proper divisors (255618256240).

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

223920551312 is a wasteful number, since it uses less digits than its factorization.

223920551312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14976 (or 14970 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 223920551312 in words is "two hundred twenty-three billion, nine hundred twenty million, five hundred fifty-one thousand, three hundred twelve".