233155 has 16 divisors (see below), whose sum is σ = 320544. Its totient is φ = 161280.

The previous prime is 233143. The next prime is 233159. The reversal of 233155 is 551332.

It is not a de Polignac number, because 233155 - 2⁹ = 232643 is a prime.

It is a super-2 number, since 2×233155² = 108722508050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233159) 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, 1000 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (20034).

2²³³¹⁵⁵ is an apocalyptic number.

233155 is a deficient number, since it is larger than the sum of its proper divisors (87389).

233155 is a wasteful number, since it uses less digits than its factorization.

233155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246.

The product of its digits is 450, while the sum is 19.

The square root of 233155 is about 482.8612637187. The cubic root of 233155 is about 61.5481369002.

Adding to 233155 its reverse (551332), we get a palindrome (784487).

The spelling of 233155 in words is "two hundred thirty-three thousand, one hundred fifty-five".