13023220303 has 4 divisors (see below), whose sum is σ = 13024866600. Its totient is φ = 13021574008.

The previous prime is 13023220297. The next prime is 13023220337. The reversal of 13023220303 is 30302232031.

It is a happy number.

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 13023220303 - 2²⁹ = 12486349391 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 (13023220363) 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, 811225 + ... + 827122.

It is an arithmetic number, because the mean of its divisors is an integer number (3256216650).

Almost surely, 2^13023220303 is an apocalyptic number.

13023220303 is a deficient number, since it is larger than the sum of its proper divisors (1646297).

13023220303 is an equidigital number, since it uses as much as digits as its factorization.

13023220303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646296.

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

Adding to 13023220303 its reverse (30302232031), we get a palindrome (43325452334).

The spelling of 13023220303 in words is "thirteen billion, twenty-three million, two hundred twenty thousand, three hundred three".