242243023 has 4 divisors (see below), whose sum is σ = 264265128. Its totient is φ = 220220920.

The previous prime is 242243011. The next prime is 242243051. The reversal of 242243023 is 320342242.

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

It is a cyclic number.

It is not a de Polignac number, because 242243023 - 2¹³ = 242234831 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242242985 and 242243003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243093) 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, 11011036 + ... + 11011057.

It is an arithmetic number, because the mean of its divisors is an integer number (66066282).

Almost surely, 2^242243023 is an apocalyptic number.

242243023 is a deficient number, since it is larger than the sum of its proper divisors (22022105).

242243023 is a wasteful number, since it uses less digits than its factorization.

242243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22022104.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 242243023 is about 15564.1582811278. The cubic root of 242243023 is about 623.3764994048.

Adding to 242243023 its reverse (320342242), we get a palindrome (562585265).

The spelling of 242243023 in words is "two hundred forty-two million, two hundred forty-three thousand, twenty-three".