242530023 has 4 divisors (see below), whose sum is σ = 323373368. Its totient is φ = 161686680.

The previous prime is 242530021. The next prime is 242530027. The reversal of 242530023 is 320035242.

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

It is not a de Polignac number, because 242530023 - 2¹ = 242530021 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 (242530021) 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, 40421668 + ... + 40421673.

It is an arithmetic number, because the mean of its divisors is an integer number (80843342).

Almost surely, 2^242530023 is an apocalyptic number.

242530023 is a deficient number, since it is larger than the sum of its proper divisors (80843345).

242530023 is an equidigital number, since it uses as much as digits as its factorization.

242530023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80843344.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 242530023 is about 15573.3754529967. The cubic root of 242530023 is about 623.6225862268.

Adding to 242530023 its reverse (320035242), we get a palindrome (562565265).

The spelling of 242530023 in words is "two hundred forty-two million, five hundred thirty thousand, twenty-three".