303213020223 has 16 divisors (see below), whose sum is σ = 418241962080. Its totient is φ = 195163616256.

The previous prime is 303213020219. The next prime is 303213020329. The reversal of 303213020223 is 322020312303.

303213020223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 303213020223 - 2² = 303213020219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 303213020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303213020203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670711 + ... + 2781927.

It is an arithmetic number, because the mean of its divisors is an integer number (26140122630).

Almost surely, 2^303213020223 is an apocalyptic number.

303213020223 is a deficient number, since it is larger than the sum of its proper divisors (115028941857).

303213020223 is a wasteful number, since it uses less digits than its factorization.

303213020223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142586.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 303213020223 its reverse (322020312303), we get a palindrome (625233332526).

The spelling of 303213020223 in words is "three hundred three billion, two hundred thirteen million, twenty thousand, two hundred twenty-three".