203323023320 has 32 divisors (see below), whose sum is σ = 457773426720. Its totient is φ = 81276476160.

The previous prime is 203323023313. The next prime is 203323023347. The reversal of 203323023320 is 23320323302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585421 + ... + 1708860.

It is an arithmetic number, because the mean of its divisors is an integer number (14305419585).

Almost surely, 2^203323023320 is an apocalyptic number.

203323023320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203323023320 is an abundant number, since it is smaller than the sum of its proper divisors (254450403400).

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

203323023320 is a wasteful number, since it uses less digits than its factorization.

203323023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295835 (or 3295831 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 203323023320 its reverse (23320323302), we get a palindrome (226643346622).

The spelling of 203323023320 in words is "two hundred three billion, three hundred twenty-three million, twenty-three thousand, three hundred twenty".