203794422403 has 16 divisors (see below), whose sum is σ = 249832509696. Its totient is φ = 163580804640.

The previous prime is 203794422397. The next prime is 203794422413. The reversal of 203794422403 is 304224497302.

It is a happy number.

It is not a de Polignac number, because 203794422403 - 2⁵ = 203794422371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203794422413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30977925 + ... + 30984502.

It is an arithmetic number, because the mean of its divisors is an integer number (15614531856).

Almost surely, 2^203794422403 is an apocalyptic number.

203794422403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203794422403 is a deficient number, since it is larger than the sum of its proper divisors (46038087293).

203794422403 is a wasteful number, since it uses less digits than its factorization.

203794422403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61962474.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 203794422403 in words is "two hundred three billion, seven hundred ninety-four million, four hundred twenty-two thousand, four hundred three".