303242023 has 4 divisors (see below), whose sum is σ = 346562320. Its totient is φ = 259921728.

The previous prime is 303242011. The next prime is 303242081. The reversal of 303242023 is 320242303.

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 303242023 - 2²¹ = 301144871 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 (303242083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21660138 + ... + 21660151.

It is an arithmetic number, because the mean of its divisors is an integer number (86640580).

Almost surely, 2^303242023 is an apocalyptic number.

303242023 is a deficient number, since it is larger than the sum of its proper divisors (43320297).

303242023 is an equidigital number, since it uses as much as digits as its factorization.

303242023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43320296.

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

The square root of 303242023 is about 17413.8457268922. The cubic root of 303242023 is about 671.8357785303.

Adding to 303242023 its reverse (320242303), we get a palindrome (623484326).

The spelling of 303242023 in words is "three hundred three million, two hundred forty-two thousand, twenty-three".