13234401223 has 4 divisors (see below), whose sum is σ = 13237067448. Its totient is φ = 13231735000.

The previous prime is 13234401209. The next prime is 13234401287. The reversal of 13234401223 is 32210443231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13234401223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234401023) 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, 1325653 + ... + 1335598.

It is an arithmetic number, because the mean of its divisors is an integer number (3309266862).

Almost surely, 2^13234401223 is an apocalyptic number.

13234401223 is a deficient number, since it is larger than the sum of its proper divisors (2666225).

13234401223 is an equidigital number, since it uses as much as digits as its factorization.

13234401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666224.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13234401223 its reverse (32210443231), we get a palindrome (45444844454).

The spelling of 13234401223 in words is "thirteen billion, two hundred thirty-four million, four hundred one thousand, two hundred twenty-three".