10303320223 has 4 divisors (see below), whose sum is σ = 11775223120. Its totient is φ = 8831417328.

The previous prime is 10303320199. The next prime is 10303320263. The reversal of 10303320223 is 32202330301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202330301 = 7673 ⋅4196837.

It is a cyclic number.

It is not a de Polignac number, because 10303320223 - 2²⁹ = 9766449311 is a prime.

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 10303320223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303320263) 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, 735951438 + ... + 735951451.

It is an arithmetic number, because the mean of its divisors is an integer number (2943805780).

Almost surely, 2^10303320223 is an apocalyptic number.

10303320223 is a deficient number, since it is larger than the sum of its proper divisors (1471902897).

10303320223 is an equidigital number, since it uses as much as digits as its factorization.

10303320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471902896.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 10303320223 its reverse (32202330301), we get a palindrome (42505650524).

It can be divided in two parts, 103033 and 20223, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 10303320223 in words is "ten billion, three hundred three million, three hundred twenty thousand, two hundred twenty-three".