233142033 has 4 divisors (see below), whose sum is σ = 310856048. Its totient is φ = 155428020.

The previous prime is 233142011. The next prime is 233142067. The reversal of 233142033 is 330241332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 233142033 - 2¹⁶ = 233076497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (233142073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38857003 + ... + 38857008.

It is an arithmetic number, because the mean of its divisors is an integer number (77714012).

Almost surely, 2^233142033 is an apocalyptic number.

It is an amenable number.

233142033 is a deficient number, since it is larger than the sum of its proper divisors (77714015).

233142033 is an equidigital number, since it uses as much as digits as its factorization.

233142033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77714014.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 233142033 is about 15268.9892592797. The cubic root of 233142033 is about 615.4699587171.

Adding to 233142033 its reverse (330241332), we get a palindrome (563383365).

It can be divided in two parts, 23314203 and 3, that added together give a triangular number (23314206 = T₆₈₂₈).

The spelling of 233142033 in words is "two hundred thirty-three million, one hundred forty-two thousand, thirty-three".