13012323303 has 16 divisors (see below), whose sum is σ = 19898375936. Its totient is φ = 7409335680.

The previous prime is 13012323283. The next prime is 13012323323. The reversal of 13012323303 is 30332321031.

It is an interprime number because it is at equal distance from previous prime (13012323283) and next prime (13012323323).

It is not a de Polignac number, because 13012323303 - 2⁵ = 13012323271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 13012323303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012323323) 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, 1088818 + ... + 1100703.

It is an arithmetic number, because the mean of its divisors is an integer number (1243648496).

Almost surely, 2^13012323303 is an apocalyptic number.

13012323303 is a deficient number, since it is larger than the sum of its proper divisors (6886052633).

13012323303 is a wasteful number, since it uses less digits than its factorization.

13012323303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189814.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13012323303 its reverse (30332321031), we get a palindrome (43344644334).

The spelling of 13012323303 in words is "thirteen billion, twelve million, three hundred twenty-three thousand, three hundred three".