13223437761 has 8 divisors (see below), whose sum is σ = 17656120960. Its totient is φ = 8803189872.

The previous prime is 13223437751. The next prime is 13223437789. The reversal of 13223437761 is 16773432231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223437761 - 2⁵ = 13223437729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223437751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106345 + ... + 3110598.

It is an arithmetic number, because the mean of its divisors is an integer number (2207015120).

Almost surely, 2^13223437761 is an apocalyptic number.

It is an amenable number.

13223437761 is a deficient number, since it is larger than the sum of its proper divisors (4432683199).

13223437761 is an equidigital number, since it uses as much as digits as its factorization.

13223437761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217655.

The product of its digits is 127008, while the sum is 39.

Adding to 13223437761 its reverse (16773432231), we get a palindrome (29996869992).

The spelling of 13223437761 in words is "thirteen billion, two hundred twenty-three million, four hundred thirty-seven thousand, seven hundred sixty-one".