242504023 has 4 divisors (see below), whose sum is σ = 242619328. Its totient is φ = 242388720.

The previous prime is 242503993. The next prime is 242504063. The reversal of 242504023 is 320405242.

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-242504023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242503985 and 242504003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242504063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54438 + ... + 58723.

It is an arithmetic number, because the mean of its divisors is an integer number (60654832).

Almost surely, 2^242504023 is an apocalyptic number.

242504023 is a deficient number, since it is larger than the sum of its proper divisors (115305).

242504023 is a wasteful number, since it uses less digits than its factorization.

242504023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115304.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 242504023 is about 15572.5406726070. The cubic root of 242504023 is about 623.6003006468.

Adding to 242504023 its reverse (320405242), we get a palindrome (562909265).

The spelling of 242504023 in words is "two hundred forty-two million, five hundred four thousand, twenty-three".