233133155 has 16 divisors (see below), whose sum is σ = 301078944. Its totient is φ = 172654080.

The previous prime is 233133137. The next prime is 233133157. The reversal of 233133155 is 551331332.

It is not a de Polignac number, because 233133155 - 2⁶ = 233133091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233133157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17297 + ... + 27666.

It is an arithmetic number, because the mean of its divisors is an integer number (18817434).

Almost surely, 2^233133155 is an apocalyptic number.

233133155 is a deficient number, since it is larger than the sum of its proper divisors (67945789).

233133155 is a wasteful number, since it uses less digits than its factorization.

233133155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45046.

The product of its digits is 4050, while the sum is 26.

The square root of 233133155 is about 15268.6985365486. The cubic root of 233133155 is about 615.4621462953.

Adding to 233133155 its reverse (551331332), we get a palindrome (784464487).

The spelling of 233133155 in words is "two hundred thirty-three million, one hundred thirty-three thousand, one hundred fifty-five".