1303212223 has 32 divisors (see below), whose sum is σ = 1476034560. Its totient is φ = 1144614240.

The previous prime is 1303212217. The next prime is 1303212233. The reversal of 1303212223 is 3222123031.

It is a cyclic number.

It is not a de Polignac number, because 1303212223 - 2²⁵ = 1269657791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303212223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4190238 + ... + 4190548.

It is an arithmetic number, because the mean of its divisors is an integer number (46126080).

Almost surely, 2^1303212223 is an apocalyptic number.

1303212223 is a deficient number, since it is larger than the sum of its proper divisors (172822337).

1303212223 is a wasteful number, since it uses less digits than its factorization.

1303212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1303212223 is about 36100.0307894606. The cubic root of 1303212223 is about 1092.2910660711.

Adding to 1303212223 its reverse (3222123031), we get a palindrome (4525335254).

The spelling of 1303212223 in words is "one billion, three hundred three million, two hundred twelve thousand, two hundred twenty-three".