13103231323 has 16 divisors (see below), whose sum is σ = 16293323200. Its totient is φ = 10260504576.

The previous prime is 13103231303. The next prime is 13103231329. The reversal of 13103231323 is 32313230131.

It is a de Polignac number, because none of the positive numbers 2^k-13103231323 is a prime.

It is a super-2 number, since 2×13103231323² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13103231294 and 13103231303.

It is not an unprimeable number, because it can be changed into a prime (13103231329) 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, 733398 + ... + 751051.

It is an arithmetic number, because the mean of its divisors is an integer number (1018332700).

Almost surely, 2^13103231323 is an apocalyptic number.

13103231323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13103231323 is a deficient number, since it is larger than the sum of its proper divisors (3190091877).

13103231323 is a wasteful number, since it uses less digits than its factorization.

13103231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484566.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13103231323 its reverse (32313230131), we get a palindrome (45416461454).

The spelling of 13103231323 in words is "thirteen billion, one hundred three million, two hundred thirty-one thousand, three hundred twenty-three".