242336263 has 4 divisors (see below), whose sum is σ = 260977528. Its totient is φ = 223695000.

The previous prime is 242336249. The next prime is 242336291. The reversal of 242336263 is 362633242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242336263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242336663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9320613 + ... + 9320638.

It is an arithmetic number, because the mean of its divisors is an integer number (65244382).

Almost surely, 2^242336263 is an apocalyptic number.

242336263 is a deficient number, since it is larger than the sum of its proper divisors (18641265).

242336263 is a wasteful number, since it uses less digits than its factorization.

242336263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641264.

The product of its digits is 31104, while the sum is 31.

The square root of 242336263 is about 15567.1533364325. The cubic root of 242336263 is about 623.4564689170.

The spelling of 242336263 in words is "two hundred forty-two million, three hundred thirty-six thousand, two hundred sixty-three".