242415023 has 2 divisors, whose sum is σ = 242415024. Its totient is φ = 242415022.

The previous prime is 242415013. The next prime is 242415059. The reversal of 242415023 is 320514242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242415023 - 2⁶ = 242414959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242415023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242415013) 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, 121207511 + 121207512.

It is an arithmetic number, because the mean of its divisors is an integer number (121207512).

Almost surely, 2^242415023 is an apocalyptic number.

242415023 is a deficient number, since it is larger than the sum of its proper divisors (1).

242415023 is an equidigital number, since it uses as much as digits as its factorization.

242415023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 242415023 is about 15569.6828162940. The cubic root of 242415023 is about 623.5240033314.

Adding to 242415023 its reverse (320514242), we get a palindrome (562929265).

The spelling of 242415023 in words is "two hundred forty-two million, four hundred fifteen thousand, twenty-three".