303142223 has 4 divisors (see below), whose sum is σ = 304579128. Its totient is φ = 301705320.

The previous prime is 303142219. The next prime is 303142247. The reversal of 303142223 is 322241303.

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 303142223 - 2² = 303142219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303142195 and 303142204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303142823) 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, 718136 + ... + 718557.

It is an arithmetic number, because the mean of its divisors is an integer number (76144782).

Almost surely, 2^303142223 is an apocalyptic number.

303142223 is a deficient number, since it is larger than the sum of its proper divisors (1436905).

303142223 is a wasteful number, since it uses less digits than its factorization.

303142223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436904.

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

The square root of 303142223 is about 17410.9799551892. The cubic root of 303142223 is about 671.7620678059.

Adding to 303142223 its reverse (322241303), we get a palindrome (625383526).

It can be divided in two parts, 3031 and 42223, that added together give a palindrome (45254).

The spelling of 303142223 in words is "three hundred three million, one hundred forty-two thousand, two hundred twenty-three".