1123311400023 has 16 divisors (see below), whose sum is σ = 1510073107200. Its totient is φ = 742731956736.

The previous prime is 1123311400019. The next prime is 1123311400063. The reversal of 1123311400023 is 3200041133211.

It is not a de Polignac number, because 1123311400023 - 2² = 1123311400019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123311400063) 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 15 ways as a sum of consecutive naturals, for example, 2271865 + ... + 2721762.

It is an arithmetic number, because the mean of its divisors is an integer number (94379569200).

Almost surely, 2^{1123311400023} is an apocalyptic number.

1123311400023 is a deficient number, since it is larger than the sum of its proper divisors (386761707177).

1123311400023 is a wasteful number, since it uses less digits than its factorization.

1123311400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994246.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1123311400023 its reverse (3200041133211), we get a palindrome (4323352533234).

The spelling of 1123311400023 in words is "one trillion, one hundred twenty-three billion, three hundred eleven million, four hundred thousand, twenty-three".