13223796227 has 4 divisors (see below), whose sum is σ = 13224030960. Its totient is φ = 13223561496.

The previous prime is 13223796211. The next prime is 13223796251. The reversal of 13223796227 is 72269732231.

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 13223796227 - 2⁴ = 13223796211 is a prime.

It is a super-3 number, since 3×13223796227³ (a number of 31 digits) contains 333 as substring.

It is a deceptive number, since it divides R_13223796226.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223796277) 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, 23474 + ... + 164312.

It is an arithmetic number, because the mean of its divisors is an integer number (3306007740).

Almost surely, 2^13223796227 is an apocalyptic number.

13223796227 is the 93893-rd pentagonal number.

13223796227 is a deficient number, since it is larger than the sum of its proper divisors (234733).

13223796227 is an equidigital number, since it uses as much as digits as its factorization.

13223796227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234732.

The product of its digits is 381024, while the sum is 44.

The spelling of 13223796227 in words is "thirteen billion, two hundred twenty-three million, seven hundred ninety-six thousand, two hundred twenty-seven".