242323247 has 2 divisors, whose sum is σ = 242323248. Its totient is φ = 242323246.

The previous prime is 242323229. The next prime is 242323303. The reversal of 242323247 is 742323242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242323247 - 2⁶ = 242323183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242323547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121161623 + 121161624.

It is an arithmetic number, because the mean of its divisors is an integer number (121161624).

Almost surely, 2^242323247 is an apocalyptic number.

242323247 is a deficient number, since it is larger than the sum of its proper divisors (1).

242323247 is an equidigital number, since it uses as much as digits as its factorization.

242323247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 29.

The square root of 242323247 is about 15566.7352710837. The cubic root of 242323247 is about 623.4453066658.

Adding to 242323247 its reverse (742323242), we get a palindrome (984646489).

The spelling of 242323247 in words is "two hundred forty-two million, three hundred twenty-three thousand, two hundred forty-seven".