242523223 has 2 divisors, whose sum is σ = 242523224. Its totient is φ = 242523222.

The previous prime is 242523191. The next prime is 242523263. The reversal of 242523223 is 322325242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242523223 - 2⁵ = 242523191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242523263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121261611 + 121261612.

It is an arithmetic number, because the mean of its divisors is an integer number (121261612).

Almost surely, 2^242523223 is an apocalyptic number.

242523223 is a deficient number, since it is larger than the sum of its proper divisors (1).

242523223 is an equidigital number, since it uses as much as digits as its factorization.

242523223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 25.

The square root of 242523223 is about 15573.1571301390. The cubic root of 242523223 is about 623.6167578443.

Adding to 242523223 its reverse (322325242), we get a palindrome (564848465).

The spelling of 242523223 in words is "two hundred forty-two million, five hundred twenty-three thousand, two hundred twenty-three".