223031230320 has 160 divisors (see below), whose sum is σ = 723276475200. Its totient is φ = 56778760192.

The previous prime is 223031230319. The next prime is 223031230321. The reversal of 223031230320 is 23032130322.

It is an interprime number because it is at equal distance from previous prime (223031230319) and next prime (223031230321).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223031230321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439414 + ... + 799466.

It is an arithmetic number, because the mean of its divisors is an integer number (4520477970).

Almost surely, 2^223031230320 is an apocalyptic number.

223031230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223031230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361638237600).

223031230320 is an abundant number, since it is smaller than the sum of its proper divisors (500245244880).

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

223031230320 is a wasteful number, since it uses less digits than its factorization.

223031230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360187 (or 360181 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 223031230320 its reverse (23032130322), we get a palindrome (246063360642).

The spelling of 223031230320 in words is "two hundred twenty-three billion, thirty-one million, two hundred thirty thousand, three hundred twenty".