233155829 has 2 divisors, whose sum is σ = 233155830. Its totient is φ = 233155828.

The previous prime is 233155823. The next prime is 233155831. The reversal of 233155829 is 928551332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231739729 + 1416100 = 15223^2 + 1190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233155829 is a prime.

Together with 233155831, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 233155792 and 233155801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233155823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116577914 + 116577915.

It is an arithmetic number, because the mean of its divisors is an integer number (116577915).

Almost surely, 2^233155829 is an apocalyptic number.

It is an amenable number.

233155829 is a deficient number, since it is larger than the sum of its proper divisors (1).

233155829 is an equidigital number, since it uses as much as digits as its factorization.

233155829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 233155829 is about 15269.4410179286. The cubic root of 233155829 is about 615.4820984643.

The spelling of 233155829 in words is "two hundred thirty-three million, one hundred fifty-five thousand, eight hundred twenty-nine".