242403023 has 2 divisors, whose sum is σ = 242403024. Its totient is φ = 242403022.

The previous prime is 242403019. The next prime is 242403059. The reversal of 242403023 is 320304242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242403023 - 2² = 242403019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242402986 and 242403004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242403013) 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, 121201511 + 121201512.

It is an arithmetic number, because the mean of its divisors is an integer number (121201512).

Almost surely, 2^242403023 is an apocalyptic number.

242403023 is a deficient number, since it is larger than the sum of its proper divisors (1).

242403023 is an equidigital number, since it uses as much as digits as its factorization.

242403023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 242403023 is about 15569.2974472196. The cubic root of 242403023 is about 623.5137146243.

Adding to 242403023 its reverse (320304242), we get a palindrome (562707265).

The spelling of 242403023 in words is "two hundred forty-two million, four hundred three thousand, twenty-three".