13202122323 has 20 divisors (see below), whose sum is σ = 19069804648. Its totient is φ = 8124330240.

The previous prime is 13202122321. The next prime is 13202122331. The reversal of 13202122323 is 32322120231.

It is a happy number.

It is not a de Polignac number, because 13202122323 - 2¹ = 13202122321 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 13202122323.

It is not an unprimeable number, because it can be changed into a prime (13202122321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8643 + ... + 162723.

Almost surely, 2^13202122323 is an apocalyptic number.

13202122323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13202122323 is a deficient number, since it is larger than the sum of its proper divisors (5867682325).

13202122323 is an frugal number, since it uses more digits than its factorization.

13202122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154136 (or 154097 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13202122323 its reverse (32322120231), we get a palindrome (45524242554).

The spelling of 13202122323 in words is "thirteen billion, two hundred two million, one hundred twenty-two thousand, three hundred twenty-three".