203423242320 has 80 divisors (see below), whose sum is σ = 700680064320. Its totient is φ = 54246197376.

The previous prime is 203423242307. The next prime is 203423242349. The reversal of 203423242320 is 23242324302.

It is a happy number.

203423242320 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 232 + 423 + 2 + 0 = 666.

203423242320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47086554 + ... + 47090873.

It is an arithmetic number, because the mean of its divisors is an integer number (8758500804).

Almost surely, 2^203423242320 is an apocalyptic number.

203423242320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203423242320 is an abundant number, since it is smaller than the sum of its proper divisors (497256822000).

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

203423242320 is a wasteful number, since it uses less digits than its factorization.

203423242320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94177449 (or 94177437 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 203423242320 its reverse (23242324302), we get a palindrome (226665566622).

The spelling of 203423242320 in words is "two hundred three billion, four hundred twenty-three million, two hundred forty-two thousand, three hundred twenty".