233963 has 4 divisors (see below), whose sum is σ = 239448. Its totient is φ = 228480.

The previous prime is 233941. The next prime is 233969. The reversal of 233963 is 369332.

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

It is a cyclic number.

It is not a de Polignac number, because 233963 - 2¹⁴ = 217579 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233969) 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, 2678 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (59862).

2²³³⁹⁶³ is an apocalyptic number.

233963 is a deficient number, since it is larger than the sum of its proper divisors (5485).

233963 is an equidigital number, since it uses as much as digits as its factorization.

233963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484.

The product of its digits is 2916, while the sum is 26.

The square root of 233963 is about 483.6972193428. The cubic root of 233963 is about 61.6191534019.

The spelling of 233963 in words is "two hundred thirty-three thousand, nine hundred sixty-three".