232403 has 4 divisors (see below), whose sum is σ = 233520. Its totient is φ = 231288.

The previous prime is 232391. The next prime is 232409. The reversal of 232403 is 304232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 232403 - 2¹⁰ = 231379 is a prime.

It is a super-2 number, since 2×232403² = 108022308818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232409) 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, 143 + ... + 696.

It is an arithmetic number, because the mean of its divisors is an integer number (58380).

2²³²⁴⁰³ is an apocalyptic number.

232403 is a deficient number, since it is larger than the sum of its proper divisors (1117).

232403 is an equidigital number, since it uses as much as digits as its factorization.

232403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 232403 is about 482.0819432420. The cubic root of 232403 is about 61.4818947740.

Adding to 232403 its reverse (304232), we get a palindrome (536635).

The spelling of 232403 in words is "two hundred thirty-two thousand, four hundred three".