1223886336815 has 4 divisors (see below), whose sum is σ = 1468663604184. Its totient is φ = 979109069448.

The previous prime is 1223886336809. The next prime is 1223886336847. The reversal of 1223886336815 is 5186336883221.

It is a happy number.

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 1223886336815 - 2⁸ = 1223886336559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122388633677 + ... + 122388633686.

It is an arithmetic number, because the mean of its divisors is an integer number (367165901046).

Almost surely, 2^{1223886336815} is an apocalyptic number.

1223886336815 is a deficient number, since it is larger than the sum of its proper divisors (244777267369).

1223886336815 is an equidigital number, since it uses as much as digits as its factorization.

1223886336815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244777267368.

The product of its digits is 9953280, while the sum is 56.

The spelling of 1223886336815 in words is "one trillion, two hundred twenty-three billion, eight hundred eighty-six million, three hundred thirty-six thousand, eight hundred fifteen".