233155823 has 2 divisors, whose sum is σ = 233155824. Its totient is φ = 233155822.

The previous prime is 233155817. The next prime is 233155829. The reversal of 233155823 is 328551332.

It is a balanced prime because it is at equal distance from previous prime (233155817) and next prime (233155829).

It is a cyclic number.

It is not a de Polignac number, because 233155823 - 2⁸ = 233155567 is a prime.

It is equal to p_12806438 and since 233155823 and 12806438 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233155823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233155829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116577911 + 116577912.

It is an arithmetic number, because the mean of its divisors is an integer number (116577912).

Almost surely, 2^233155823 is an apocalyptic number.

233155823 is a deficient number, since it is larger than the sum of its proper divisors (1).

233155823 is an equidigital number, since it uses as much as digits as its factorization.

233155823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 233155823 is about 15269.4408214577. The cubic root of 233155823 is about 615.4820931848.

The spelling of 233155823 in words is "two hundred thirty-three million, one hundred fifty-five thousand, eight hundred twenty-three".