1223162188317 has 40 divisors (see below), whose sum is σ = 1868896288512. Its totient is φ = 796882600800.

The previous prime is 1223162188309. The next prime is 1223162188321. The reversal of 1223162188317 is 7138812613221.

1223162188317 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 1 + 621 + 8 + 8 + 3 + 17 = 666.

It is not a de Polignac number, because 1223162188317 - 2³ = 1223162188309 is a prime.

It is a super-2 number, since 2×1223162188317² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223162188517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2273392 + ... + 2759462.

Almost surely, 2^{1223162188317} is an apocalyptic number.

It is an amenable number.

1223162188317 is a deficient number, since it is larger than the sum of its proper divisors (645734100195).

1223162188317 is an equidigital number, since it uses as much as digits as its factorization.

1223162188317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486791 (or 486782 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 1223162188317 in words is "one trillion, two hundred twenty-three billion, one hundred sixty-two million, one hundred eighty-eight thousand, three hundred seventeen".