23238329 has 2 divisors, whose sum is σ = 23238330. Its totient is φ = 23238328.

The previous prime is 23238301. The next prime is 23238353. The reversal of 23238329 is 92383232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 5929 = 4820^2 + 77^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23238329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23238295 and 23238304.

It is not a weakly prime, because it can be changed into another prime (23238359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11619164 + 11619165.

It is an arithmetic number, because the mean of its divisors is an integer number (11619165).

Almost surely, 2^23238329 is an apocalyptic number.

It is an amenable number.

23238329 is a deficient number, since it is larger than the sum of its proper divisors (1).

23238329 is an equidigital number, since it uses as much as digits as its factorization.

23238329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 23238329 is about 4820.6150022585. The cubic root of 23238329 is about 285.3656085508.

The spelling of 23238329 in words is "twenty-three million, two hundred thirty-eight thousand, three hundred twenty-nine".