204352403 has 8 divisors (see below), whose sum is σ = 211792896. Its totient is φ = 196965000.

The previous prime is 204352373. The next prime is 204352433. The reversal of 204352403 is 304253402.

204352403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204352373) and next prime (204352433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204352403 - 2⁶ = 204352339 is a prime.

It is a super-2 number, since 2×204352403² = 83519809223748818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204352433) 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, 5351 + ... + 20912.

It is an arithmetic number, because the mean of its divisors is an integer number (26474112).

Almost surely, 2^204352403 is an apocalyptic number.

204352403 is a deficient number, since it is larger than the sum of its proper divisors (7440493).

204352403 is a wasteful number, since it uses less digits than its factorization.

204352403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26545.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 204352403 is about 14295.1881064923. The cubic root of 204352403 is about 589.0153095237.

Subtracting 204352403 from its reverse (304253402), we obtain a palindrome (99900999).

The spelling of 204352403 in words is "two hundred four million, three hundred fifty-two thousand, four hundred three".