203322423102040 has 128 divisors (see below), whose sum is σ = 505786327384320. Its totient is φ = 72944718912000.

The previous prime is 203322423101977. The next prime is 203322423102067. The reversal of 203322423102040 is 40201324223302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4493107 + ... + 20659933.

It is an arithmetic number, because the mean of its divisors is an integer number (3951455682690).

Almost surely, 2^{203322423102040} is an apocalyptic number.

203322423102040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203322423102040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252893163692160).

203322423102040 is an abundant number, since it is smaller than the sum of its proper divisors (302463904282280).

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

203322423102040 is a wasteful number, since it uses less digits than its factorization.

203322423102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16167233 (or 16167229 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203322423102040 its reverse (40201324223302), we get a palindrome (243523747325342).

The spelling of 203322423102040 in words is "two hundred three trillion, three hundred twenty-two billion, four hundred twenty-three million, one hundred two thousand, forty".