242403011 has 2 divisors, whose sum is σ = 242403012. Its totient is φ = 242403010.

The previous prime is 242402989. The next prime is 242403013. The reversal of 242403011 is 110304242.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242403011 is a prime.

It is a super-2 number, since 2×242403011² = 117518439483732242, which contains 22 as substring.

Together with 242403013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (242403013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121201505 + 121201506.

It is an arithmetic number, because the mean of its divisors is an integer number (121201506).

Almost surely, 2^242403011 is an apocalyptic number.

242403011 is a deficient number, since it is larger than the sum of its proper divisors (1).

242403011 is an equidigital number, since it uses as much as digits as its factorization.

242403011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 242403011 is about 15569.2970618458. The cubic root of 242403011 is about 623.5137043354.

Adding to 242403011 its reverse (110304242), we get a palindrome (352707253).

The spelling of 242403011 in words is "two hundred forty-two million, four hundred three thousand, eleven".