1223321231305 has 8 divisors (see below), whose sum is σ = 1469331025344. Its totient is φ = 977759953200.

The previous prime is 1223321231273. The next prime is 1223321231393. The reversal of 1223321231305 is 5031321233221.

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

It is not a de Polignac number, because 1223321231305 - 2⁵ = 1223321231273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112122981 + ... + 112133890.

It is an arithmetic number, because the mean of its divisors is an integer number (183666378168).

Almost surely, 2^{1223321231305} is an apocalyptic number.

It is an amenable number.

1223321231305 is a deficient number, since it is larger than the sum of its proper divisors (246009794039).

1223321231305 is a wasteful number, since it uses less digits than its factorization.

1223321231305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224257967.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1223321231305 its reverse (5031321233221), we get a palindrome (6254642464526).

The spelling of 1223321231305 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-one million, two hundred thirty-one thousand, three hundred five".