233231033 has 6 divisors (see below), whose sum is σ = 271309626. Its totient is φ = 199912272.

The previous prime is 233231027. The next prime is 233231039. The reversal of 233231033 is 330132332.

It is an interprime number because it is at equal distance from previous prime (233231027) and next prime (233231039).

It can be written as a sum of positive squares in only one way, i.e., 135675904 + 97555129 = 11648^2 + 9877^2 .

It is not a de Polignac number, because 233231033 - 2²⁴ = 216453817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 233230996 and 233231014.

It is not an unprimeable number, because it can be changed into a prime (233231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2379860 + ... + 2379957.

It is an arithmetic number, because the mean of its divisors is an integer number (45218271).

Almost surely, 2^233231033 is an apocalyptic number.

It is an amenable number.

233231033 is a deficient number, since it is larger than the sum of its proper divisors (38078593).

233231033 is an equidigital number, since it uses as much as digits as its factorization.

233231033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759831 (or 4759824 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 233231033 is about 15271.9033849746. The cubic root of 233231033 is about 615.5482655713.

Adding to 233231033 its reverse (330132332), we get a palindrome (563363365).

The spelling of 233231033 in words is "two hundred thirty-three million, two hundred thirty-one thousand, thirty-three".