230111002320 has 160 divisors (see below), whose sum is σ = 733589654400. Its totient is φ = 59644772352.

The previous prime is 230111002309. The next prime is 230111002367. The reversal of 230111002320 is 23200111032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230111002320.

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, 1168944 + ... + 1351536.

It is an arithmetic number, because the mean of its divisors is an integer number (4584935340).

Almost surely, 2^230111002320 is an apocalyptic number.

230111002320 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 230111002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366794827200).

230111002320 is an abundant number, since it is smaller than the sum of its proper divisors (503478652080).

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

230111002320 is a wasteful number, since it uses less digits than its factorization.

230111002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182757 (or 182751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 230111002320 its reverse (23200111032), we get a palindrome (253311113352).

The spelling of 230111002320 in words is "two hundred thirty billion, one hundred eleven million, two thousand, three hundred twenty".