233242393 has 2 divisors, whose sum is σ = 233242394. Its totient is φ = 233242392.

The previous prime is 233242391. The next prime is 233242409. The reversal of 233242393 is 393242332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169833024 + 63409369 = 13032^2 + 7963^2 .

It is a cyclic number.

It is not a de Polignac number, because 233242393 - 2¹ = 233242391 is a prime.

Together with 233242391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (233242391) 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, 116621196 + 116621197.

It is an arithmetic number, because the mean of its divisors is an integer number (116621197).

Almost surely, 2^233242393 is an apocalyptic number.

It is an amenable number.

233242393 is a deficient number, since it is larger than the sum of its proper divisors (1).

233242393 is an equidigital number, since it uses as much as digits as its factorization.

233242393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 31.

The square root of 233242393 is about 15272.2753052713. The cubic root of 233242393 is about 615.5582592597.

The spelling of 233242393 in words is "two hundred thirty-three million, two hundred forty-two thousand, three hundred ninety-three".