234238997 has 2 divisors, whose sum is σ = 234238998. Its totient is φ = 234238996.

The previous prime is 234238993. The next prime is 234238999. The reversal of 234238997 is 799832432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166900561 + 67338436 = 12919^2 + 8206^2 .

It is a cyclic number.

It is not a de Polignac number, because 234238997 - 2² = 234238993 is a prime.

Together with 234238999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234238993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117119498 + 117119499.

It is an arithmetic number, because the mean of its divisors is an integer number (117119499).

Almost surely, 2^234238997 is an apocalyptic number.

It is an amenable number.

234238997 is a deficient number, since it is larger than the sum of its proper divisors (1).

234238997 is an equidigital number, since it uses as much as digits as its factorization.

234238997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 234238997 is about 15304.8684084510. The cubic root of 234238997 is about 616.4337378220.

The spelling of 234238997 in words is "two hundred thirty-four million, two hundred thirty-eight thousand, nine hundred ninety-seven".