13409023211 has 4 divisors (see below), whose sum is σ = 13410128400. Its totient is φ = 13407918024.

The previous prime is 13409023189. The next prime is 13409023231. The reversal of 13409023211 is 11232090431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11232090431 = 2557 ⋅4392683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13409023211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13409023231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534191 + ... + 558728.

It is an arithmetic number, because the mean of its divisors is an integer number (3352532100).

Almost surely, 2^13409023211 is an apocalyptic number.

13409023211 is a deficient number, since it is larger than the sum of its proper divisors (1105189).

13409023211 is a wasteful number, since it uses less digits than its factorization.

13409023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105188.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 13409023211 in words is "thirteen billion, four hundred nine million, twenty-three thousand, two hundred eleven".