203213023232 has 48 divisors (see below), whose sum is σ = 408820295520. Its totient is φ = 100982992896.

The previous prime is 203213023217. The next prime is 203213023253. The reversal of 203213023232 is 232320312302.

It is a super-2 number, since 2×203213023232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203213023198 and 203213023207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29453 + ... + 638195.

It is an arithmetic number, because the mean of its divisors is an integer number (8517089490).

Almost surely, 2^203213023232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203213023232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204410147760).

203213023232 is an abundant number, since it is smaller than the sum of its proper divisors (205607272288).

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

203213023232 is an equidigital number, since it uses as much as digits as its factorization.

203213023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608928 (or 608908 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203213023232 its reverse (232320312302), we get a palindrome (435533335534).

The spelling of 203213023232 in words is "two hundred three billion, two hundred thirteen million, twenty-three thousand, two hundred thirty-two".