1123217011623 has 32 divisors (see below), whose sum is σ = 1823101185024. Its totient is φ = 600465802752.

The previous prime is 1123217011621. The next prime is 1123217011627. The reversal of 1123217011623 is 3261107123211.

It is not a de Polignac number, because 1123217011623 - 2¹ = 1123217011621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123217011621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9360340 + ... + 9479577.

It is an arithmetic number, because the mean of its divisors is an integer number (56971912032).

Almost surely, 2^{1123217011623} is an apocalyptic number.

1123217011623 is a deficient number, since it is larger than the sum of its proper divisors (699884173401).

1123217011623 is a wasteful number, since it uses less digits than its factorization.

1123217011623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18840111.

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 1123217011623 in words is "one trillion, one hundred twenty-three billion, two hundred seventeen million, eleven thousand, six hundred twenty-three".