203023422112 has 96 divisors (see below), whose sum is σ = 460943142912. Its totient is φ = 86224379904.

The previous prime is 203023422089. The next prime is 203023422157. The reversal of 203023422112 is 211224320302.

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, 13461808 + ... + 13476880.

It is an arithmetic number, because the mean of its divisors is an integer number (4801491072).

Almost surely, 2^203023422112 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 203023422112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230471571456).

203023422112 is an abundant number, since it is smaller than the sum of its proper divisors (257919720800).

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

203023422112 is a wasteful number, since it uses less digits than its factorization.

203023422112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15630 (or 15622 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 203023422112 its reverse (211224320302), we get a palindrome (414247742414).

The spelling of 203023422112 in words is "two hundred three billion, twenty-three million, four hundred twenty-two thousand, one hundred twelve".