242023313 has 4 divisors (see below), whose sum is σ = 276598080. Its totient is φ = 207448548.

The previous prime is 242023289. The next prime is 242023321. The reversal of 242023313 is 313320242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313320242 = 2 ⋅156660121.

It is a cyclic number.

It is not a de Polignac number, because 242023313 - 2²⁴ = 225246097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242023343) by changing a digit.

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, 17287373 + ... + 17287386.

It is an arithmetic number, because the mean of its divisors is an integer number (69149520).

Almost surely, 2^242023313 is an apocalyptic number.

It is an amenable number.

242023313 is a deficient number, since it is larger than the sum of its proper divisors (34574767).

242023313 is an equidigital number, since it uses as much as digits as its factorization.

242023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34574766.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 242023313 is about 15557.0984762584. The cubic root of 242023313 is about 623.1879786964.

Adding to 242023313 its reverse (313320242), we get a palindrome (555343555).

The spelling of 242023313 in words is "two hundred forty-two million, twenty-three thousand, three hundred thirteen".