223297161780 has 96 divisors (see below), whose sum is σ = 779510108160. Its totient is φ = 46399409280.

The previous prime is 223297161779. The next prime is 223297161817. The reversal of 223297161780 is 87161792322.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24161740 + ... + 24170979.

It is an arithmetic number, because the mean of its divisors is an integer number (8119896960).

Almost surely, 2^223297161780 is an apocalyptic number.

223297161780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223297161780 is an abundant number, since it is smaller than the sum of its proper divisors (556212946380).

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

223297161780 is a wasteful number, since it uses less digits than its factorization.

223297161780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48332749 (or 48332747 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 223297161780 in words is "two hundred twenty-three billion, two hundred ninety-seven million, one hundred sixty-one thousand, seven hundred eighty".