223494515712 has 440 divisors, whose sum is σ = 756634247600. Its totient is φ = 65142226944.

The previous prime is 223494515677. The next prime is 223494515767. The reversal of 223494515712 is 217515494322.

223494515712 is a `hidden beast` number, since 2 + 2 + 3 + 494 + 5 + 157 + 1 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20481714 + ... + 20492622.

It is an arithmetic number, because the mean of its divisors is an integer number (1719623290).

Almost surely, 2^223494515712 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 223494515712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378317123800).

223494515712 is an abundant number, since it is smaller than the sum of its proper divisors (533139731888).

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

223494515712 is a wasteful number, since it uses less digits than its factorization.

223494515712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10973 (or 10946 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 223494515712 in words is "two hundred twenty-three billion, four hundred ninety-four million, five hundred fifteen thousand, seven hundred twelve".