234903 has 4 divisors (see below), whose sum is σ = 313208. Its totient is φ = 156600.

The previous prime is 234893. The next prime is 234907. The reversal of 234903 is 309432.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 234903 - 2¹⁰ = 233879 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 234903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39148 + ... + 39153.

It is an arithmetic number, because the mean of its divisors is an integer number (78302).

2²³⁴⁹⁰³ is an apocalyptic number.

234903 is a deficient number, since it is larger than the sum of its proper divisors (78305).

234903 is an equidigital number, since it uses as much as digits as its factorization.

234903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78304.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 234903 is about 484.6679275545. The cubic root of 234903 is about 61.7015661556.

Subtracting 234903 from its reverse (309432), we obtain a square (74529 = 273²).

The spelling of 234903 in words is "two hundred thirty-four thousand, nine hundred three".