242023636 has 12 divisors (see below), whose sum is σ = 423958612. Its totient is φ = 120892608.

The previous prime is 242023619. The next prime is 242023643. The reversal of 242023636 is 636320242.

It can be written as a sum of positive squares in 2 ways, for example, as 239320900 + 2702736 = 15470^2 + 1644^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25155 + ... + 33418.

Almost surely, 2^242023636 is an apocalyptic number.

It is an amenable number.

242023636 is a deficient number, since it is larger than the sum of its proper divisors (181934976).

242023636 is a wasteful number, since it uses less digits than its factorization.

242023636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59610 (or 59608 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 242023636 is about 15557.1088573681. The cubic root of 242023636 is about 623.1882559282.

Adding to 242023636 its reverse (636320242), we get a palindrome (878343878).

The spelling of 242023636 in words is "two hundred forty-two million, twenty-three thousand, six hundred thirty-six".