230322033520 has 80 divisors (see below), whose sum is σ = 544817808000. Its totient is φ = 90526927104.

The previous prime is 230322033499. The next prime is 230322033569. The reversal of 230322033520 is 25330223032.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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, 11974471 + ... + 11993689.

It is an arithmetic number, because the mean of its divisors is an integer number (6810222600).

Almost surely, 2^230322033520 is an apocalyptic number.

230322033520 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 230322033520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272408904000).

230322033520 is an abundant number, since it is smaller than the sum of its proper divisors (314495774480).

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

230322033520 is a wasteful number, since it uses less digits than its factorization.

230322033520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21830 (or 21824 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 230322033520 its reverse (25330223032), we get a palindrome (255652256552).

The spelling of 230322033520 in words is "two hundred thirty billion, three hundred twenty-two million, thirty-three thousand, five hundred twenty".