12040134023 has 8 divisors (see below), whose sum is σ = 12060933696. Its totient is φ = 12019352800.

The previous prime is 12040134013. The next prime is 12040134059. The reversal of 12040134023 is 32043104021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12040134023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12040133986 and 12040134004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040134013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947365 + ... + 1953537.

It is an arithmetic number, because the mean of its divisors is an integer number (1507616712).

Almost surely, 2^12040134023 is an apocalyptic number.

12040134023 is a deficient number, since it is larger than the sum of its proper divisors (20799673).

12040134023 is an equidigital number, since it uses as much as digits as its factorization.

12040134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9225.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12040134023 its reverse (32043104021), we get a palindrome (44083238044).

The spelling of 12040134023 in words is "twelve billion, forty million, one hundred thirty-four thousand, twenty-three".