242320303 has 4 divisors (see below), whose sum is σ = 242367840. Its totient is φ = 242272768.

The previous prime is 242320283. The next prime is 242320321. The reversal of 242320303 is 303023242.

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 242320303 - 2¹⁷ = 242189231 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 (242320343) 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, 15058 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (60591960).

Almost surely, 2^242320303 is an apocalyptic number.

242320303 is a deficient number, since it is larger than the sum of its proper divisors (47537).

242320303 is an equidigital number, since it uses as much as digits as its factorization.

242320303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47536.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 242320303 is about 15566.6407101854. The cubic root of 242320303 is about 623.4427818972.

Adding to 242320303 its reverse (303023242), we get a palindrome (545343545).

The spelling of 242320303 in words is "two hundred forty-two million, three hundred twenty thousand, three hundred three".