1123104202423 has 6 divisors (see below), whose sum is σ = 1306468153896. Its totient is φ = 962660744892.

The previous prime is 1123104202417. The next prime is 1123104202499. The reversal of 1123104202423 is 3242024013211.

It is not a de Polignac number, because 1123104202423 - 2²⁵ = 1123070647991 is a prime.

It is a super-2 number, since 2×1123104202423² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123104202403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11460246915 + ... + 11460247012.

It is an arithmetic number, because the mean of its divisors is an integer number (217744692316).

Almost surely, 2^{1123104202423} is an apocalyptic number.

1123104202423 is a deficient number, since it is larger than the sum of its proper divisors (183363951473).

1123104202423 is an equidigital number, since it uses as much as digits as its factorization.

1123104202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22920493941 (or 22920493934 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1123104202423 its reverse (3242024013211), we get a palindrome (4365128215634).

The spelling of 1123104202423 in words is "one trillion, one hundred twenty-three billion, one hundred four million, two hundred two thousand, four hundred twenty-three".