13323899973 has 8 divisors (see below), whose sum is σ = 18015414336. Its totient is φ = 8757492800.

The previous prime is 13323899971. The next prime is 13323899987. The reversal of 13323899973 is 37999832331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13323899973 - 2¹ = 13323899971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323899971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31276548 + ... + 31276973.

It is an arithmetic number, because the mean of its divisors is an integer number (2251926792).

Almost surely, 2^13323899973 is an apocalyptic number.

It is an amenable number.

13323899973 is a deficient number, since it is larger than the sum of its proper divisors (4691514363).

13323899973 is an equidigital number, since it uses as much as digits as its factorization.

13323899973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62553595.

The product of its digits is 6613488, while the sum is 57.

The spelling of 13323899973 in words is "thirteen billion, three hundred twenty-three million, eight hundred ninety-nine thousand, nine hundred seventy-three".