13423323345 has 32 divisors (see below), whose sum is σ = 21852979200. Its totient is φ = 7034015424.

The previous prime is 13423323343. The next prime is 13423323359. The reversal of 13423323345 is 54332332431.

It is not a de Polignac number, because 13423323345 - 2¹ = 13423323343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13423323343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2619696 + ... + 2624814.

It is an arithmetic number, because the mean of its divisors is an integer number (682905600).

Almost surely, 2^13423323345 is an apocalyptic number.

13423323345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423323345 is a deficient number, since it is larger than the sum of its proper divisors (8429655855).

13423323345 is a wasteful number, since it uses less digits than its factorization.

13423323345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149.

The product of its digits is 77760, while the sum is 33.

Adding to 13423323345 its reverse (54332332431), we get a palindrome (67755655776).

The spelling of 13423323345 in words is "thirteen billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred forty-five".