203023723968 has 224 divisors, whose sum is σ = 650705043520. Its totient is φ = 62468278272.

The previous prime is 203023723961. The next prime is 203023723993. The reversal of 203023723968 is 869327320302.

203023723968 is a `hidden beast` number, since 20 + 3 + 0 + 237 + 2 + 396 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203023723961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1763796 + ... + 1875372.

It is an arithmetic number, because the mean of its divisors is an integer number (2904933230).

Almost surely, 2^203023723968 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 203023723968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325352521760).

203023723968 is an abundant number, since it is smaller than the sum of its proper divisors (447681319552).

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

203023723968 is an equidigital number, since it uses as much as digits as its factorization.

203023723968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111623 (or 111595 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 203023723968 in words is "two hundred three billion, twenty-three million, seven hundred twenty-three thousand, nine hundred sixty-eight".