13662152223 has 4 divisors (see below), whose sum is σ = 18216202968. Its totient is φ = 9108101480.

The previous prime is 13662152201. The next prime is 13662152239. The reversal of 13662152223 is 32225126631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13662152223 - 2¹² = 13662148127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662152723) 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, 2277025368 + ... + 2277025373.

It is an arithmetic number, because the mean of its divisors is an integer number (4554050742).

Almost surely, 2^13662152223 is an apocalyptic number.

13662152223 is a deficient number, since it is larger than the sum of its proper divisors (4554050745).

13662152223 is an equidigital number, since it uses as much as digits as its factorization.

13662152223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554050744.

The product of its digits is 25920, while the sum is 33.

Adding to 13662152223 its reverse (32225126631), we get a palindrome (45887278854).

The spelling of 13662152223 in words is "thirteen billion, six hundred sixty-two million, one hundred fifty-two thousand, two hundred twenty-three".