1123304311422 has 40 divisors (see below), whose sum is σ = 2517291549432. Its totient is φ = 374396418000.

The previous prime is 1123304311421. The next prime is 1123304311433. The reversal of 1123304311422 is 2241134033211.

1123304311422 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 304 + 311 + 42 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123304311421) 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 19 ways as a sum of consecutive naturals, for example, 1253797 + ... + 1954127.

Almost surely, 2^{1123304311422} is an apocalyptic number.

1123304311422 is an abundant number, since it is smaller than the sum of its proper divisors (1393987238010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123304311422 is an equidigital number, since it uses as much as digits as its factorization.

1123304311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710246 (or 710237 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1123304311422 its reverse (2241134033211), we get a palindrome (3364438344633).

The spelling of 1123304311422 in words is "one trillion, one hundred twenty-three billion, three hundred four million, three hundred eleven thousand, four hundred twenty-two".