12023123023 has 4 divisors (see below), whose sum is σ = 12316369968. Its totient is φ = 11729876080.

The previous prime is 12023123011. The next prime is 12023123053. The reversal of 12023123023 is 32032132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32032132021 = 174047 ⋅184043.

It is a cyclic number.

It is not a de Polignac number, because 12023123023 - 2¹⁷ = 12022991951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023123053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146623411 + ... + 146623492.

It is an arithmetic number, because the mean of its divisors is an integer number (3079092492).

Almost surely, 2^12023123023 is an apocalyptic number.

12023123023 is a deficient number, since it is larger than the sum of its proper divisors (293246945).

12023123023 is an equidigital number, since it uses as much as digits as its factorization.

12023123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293246944.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12023123023 its reverse (32032132021), we get a palindrome (44055255044).

The spelling of 12023123023 in words is "twelve billion, twenty-three million, one hundred twenty-three thousand, twenty-three".