13123323091 has 8 divisors (see below), whose sum is σ = 13523910624. Its totient is φ = 12726569280.

The previous prime is 13123323029. The next prime is 13123323113. The reversal of 13123323091 is 19032332131.

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 13123323091 - 2²¹ = 13121225939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123323011) 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, 951480 + ... + 965173.

It is an arithmetic number, because the mean of its divisors is an integer number (1690488828).

Almost surely, 2^13123323091 is an apocalyptic number.

13123323091 is a deficient number, since it is larger than the sum of its proper divisors (400587533).

13123323091 is a wasteful number, since it uses less digits than its factorization.

13123323091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916861.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 13123323091 in words is "thirteen billion, one hundred twenty-three million, three hundred twenty-three thousand, ninety-one".