12023113123 has 16 divisors (see below), whose sum is σ = 14020931520. Its totient is φ = 10095935616.

The previous prime is 12023113121. The next prime is 12023113147. The reversal of 12023113123 is 32131132021.

It is a cyclic number.

It is not a de Polignac number, because 12023113123 - 2¹ = 12023113121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12023113123.

It is not an unprimeable number, because it can be changed into a prime (12023113121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227233 + ... + 275101.

It is an arithmetic number, because the mean of its divisors is an integer number (876308220).

Almost surely, 2^12023113123 is an apocalyptic number.

12023113123 is a deficient number, since it is larger than the sum of its proper divisors (1997818397).

12023113123 is an equidigital number, since it uses as much as digits as its factorization.

12023113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48606.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12023113123 its reverse (32131132021), we get a palindrome (44154245144).

The spelling of 12023113123 in words is "twelve billion, twenty-three million, one hundred thirteen thousand, one hundred twenty-three".