203223013422 has 96 divisors (see below), whose sum is σ = 496683550080. Its totient is φ = 54885317760.

The previous prime is 203223013417. The next prime is 203223013423. The reversal of 203223013422 is 224310322302.

It is a junction number, because it is equal to n+sod(n) for n = 203223013392 and 203223013401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203223013423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9333 + ... + 637599.

It is an arithmetic number, because the mean of its divisors is an integer number (5173786980).

Almost surely, 2^203223013422 is an apocalyptic number.

203223013422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 203223013422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248341775040).

203223013422 is an abundant number, since it is smaller than the sum of its proper divisors (293460536658).

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

203223013422 is a wasteful number, since it uses less digits than its factorization.

203223013422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628338 (or 628325 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 203223013422 its reverse (224310322302), we get a palindrome (427533335724).

The spelling of 203223013422 in words is "two hundred three billion, two hundred twenty-three million, thirteen thousand, four hundred twenty-two".