203423822320 has 40 divisors (see below), whose sum is σ = 473019162336. Its totient is φ = 81359417088.

The previous prime is 203423822309. The next prime is 203423822323. The reversal of 203423822320 is 23228324302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203423822323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507174 + ... + 814906.

Almost surely, 2^203423822320 is an apocalyptic number.

203423822320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203423822320 is an abundant number, since it is smaller than the sum of its proper divisors (269595340016).

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

203423822320 is a wasteful number, since it uses less digits than its factorization.

203423822320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316009 (or 316003 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 203423822320 in words is "two hundred three billion, four hundred twenty-three million, eight hundred twenty-two thousand, three hundred twenty".