203323135332 has 48 divisors (see below), whose sum is σ = 486445381632. Its totient is φ = 66068052000.

The previous prime is 203323135319. The next prime is 203323135343. The reversal of 203323135332 is 233531323302.

It is a super-2 number, since 2×203323135332² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203323135332.

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, 576568 + ... + 859695.

It is an arithmetic number, because the mean of its divisors is an integer number (10134278784).

Almost surely, 2^203323135332 is an apocalyptic number.

It is an amenable number.

203323135332 is an abundant number, since it is smaller than the sum of its proper divisors (283122246300).

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

203323135332 is a wasteful number, since it uses less digits than its factorization.

203323135332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436568 (or 1436566 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 30.

Adding to 203323135332 its reverse (233531323302), we get a palindrome (436854458634).

The spelling of 203323135332 in words is "two hundred three billion, three hundred twenty-three million, one hundred thirty-five thousand, three hundred thirty-two".