203829423 has 16 divisors (see below), whose sum is σ = 312212736. Its totient is φ = 115868160.

The previous prime is 203829383. The next prime is 203829443. The reversal of 203829423 is 324928302.

It is not a de Polignac number, because 203829423 - 2¹² = 203825327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203829443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21093 + ... + 29198.

It is an arithmetic number, because the mean of its divisors is an integer number (19513296).

Almost surely, 2^203829423 is an apocalyptic number.

203829423 is a deficient number, since it is larger than the sum of its proper divisors (108383313).

203829423 is a wasteful number, since it uses less digits than its factorization.

203829423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50494.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 203829423 is about 14276.8842189043. The cubic root of 203829423 is about 588.5124096665.

The spelling of 203829423 in words is "two hundred three million, eight hundred twenty-nine thousand, four hundred twenty-three".