242503223 has 2 divisors, whose sum is σ = 242503224. Its totient is φ = 242503222.

The previous prime is 242503211. The next prime is 242503229. The reversal of 242503223 is 322305242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242503223 - 2⁴ = 242503207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242503229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121251611 + 121251612.

It is an arithmetic number, because the mean of its divisors is an integer number (121251612).

Almost surely, 2^242503223 is an apocalyptic number.

242503223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242503223 is an equidigital number, since it uses as much as digits as its factorization.

242503223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 242503223 is about 15572.5149863469. The cubic root of 242503223 is about 623.5996149114.

Adding to 242503223 its reverse (322305242), we get a palindrome (564808465).

The spelling of 242503223 in words is "two hundred forty-two million, five hundred three thousand, two hundred twenty-three".