233420329 has 2 divisors, whose sum is σ = 233420330. Its totient is φ = 233420328.

The previous prime is 233420311. The next prime is 233420357. The reversal of 233420329 is 923024332.

It is an a-pointer prime, because the next prime (233420357) can be obtained adding 233420329 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145154304 + 88266025 = 12048^2 + 9395^2 .

It is a cyclic number.

It is not a de Polignac number, because 233420329 - 2⁹ = 233419817 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 233420297 and 233420306.

It is not a weakly prime, because it can be changed into another prime (233420129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116710164 + 116710165.

It is an arithmetic number, because the mean of its divisors is an integer number (116710165).

Almost surely, 2^233420329 is an apocalyptic number.

It is an amenable number.

233420329 is a deficient number, since it is larger than the sum of its proper divisors (1).

233420329 is an equidigital number, since it uses as much as digits as its factorization.

233420329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 233420329 is about 15278.0996527710. The cubic root of 233420329 is about 615.7147518710.

The spelling of 233420329 in words is "two hundred thirty-three million, four hundred twenty thousand, three hundred twenty-nine".