13223240547 has 32 divisors (see below), whose sum is σ = 19347634944. Its totient is φ = 7966771200.

The previous prime is 13223240507. The next prime is 13223240549. The reversal of 13223240547 is 74504232231.

It is not a de Polignac number, because 13223240547 - 2¹² = 13223236451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13223240549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9715147 + ... + 9716507.

It is an arithmetic number, because the mean of its divisors is an integer number (604613592).

Almost surely, 2^13223240547 is an apocalyptic number.

13223240547 is a deficient number, since it is larger than the sum of its proper divisors (6124394397).

13223240547 is a wasteful number, since it uses less digits than its factorization.

13223240547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 13223240547 its reverse (74504232231), we get a palindrome (87727472778).

The spelling of 13223240547 in words is "thirteen billion, two hundred twenty-three million, two hundred forty thousand, five hundred forty-seven".