12011011123023 has 12 divisors (see below), whose sum is σ = 18926441769768. Its totient is φ = 7279400680560.

The previous prime is 12011011123009. The next prime is 12011011123051. The reversal of 12011011123023 is 32032111011021.

It is not a de Polignac number, because 12011011123023 - 2⁶ = 12011011122959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011011122987 and 12011011123005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011011123523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60661672240 + ... + 60661672437.

It is an arithmetic number, because the mean of its divisors is an integer number (1577203480814).

Almost surely, 2^{12011011123023} is an apocalyptic number.

12011011123023 is a deficient number, since it is larger than the sum of its proper divisors (6915430646745).

12011011123023 is a wasteful number, since it uses less digits than its factorization.

12011011123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121323344694 (or 121323344691 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12011011123023 its reverse (32032111011021), we get a palindrome (44043122134044).

The spelling of 12011011123023 in words is "twelve trillion, eleven billion, eleven million, one hundred twenty-three thousand, twenty-three".