13223054421 has 6 divisors (see below), whose sum is σ = 19099967510. Its totient is φ = 8815369608.

The previous prime is 13223054419. The next prime is 13223054423. The reversal of 13223054421 is 12445032231.

13223054421 is a `hidden beast` number, since 1 + 3 + 2 + 230 + 5 + 4 + 421 = 666.

It is an interprime number because it is at equal distance from previous prime (13223054419) and next prime (13223054423).

It can be written as a sum of positive squares in only one way, i.e., 11112111396 + 2110943025 = 105414^2 + 45945^2 .

It is not a de Polignac number, because 13223054421 - 2¹ = 13223054419 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 (13223054423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734614126 + ... + 734614143.

Almost surely, 2^13223054421 is an apocalyptic number.

It is an amenable number.

13223054421 is a deficient number, since it is larger than the sum of its proper divisors (5876913089).

13223054421 is a wasteful number, since it uses less digits than its factorization.

13223054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469228275 (or 1469228272 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 13223054421 its reverse (12445032231), we get a palindrome (25668086652).

The spelling of 13223054421 in words is "thirteen billion, two hundred twenty-three million, fifty-four thousand, four hundred twenty-one".