12015423530023 has 8 divisors (see below), whose sum is σ = 12038644668960. Its totient is φ = 11992203000960.

The previous prime is 12015423529997. The next prime is 12015423530059. The reversal of 12015423530023 is 32003532451021.

12015423530023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-12015423530023 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 (12015423530063) 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, 73879411 + ... + 74041867.

It is an arithmetic number, because the mean of its divisors is an integer number (1504830583620).

Almost surely, 2^{12015423530023} is an apocalyptic number.

12015423530023 is a deficient number, since it is larger than the sum of its proper divisors (23221138937).

12015423530023 is a wasteful number, since it uses less digits than its factorization.

12015423530023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304937.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 12015423530023 its reverse (32003532451021), we get a palindrome (44018955981044).

The spelling of 12015423530023 in words is "twelve trillion, fifteen billion, four hundred twenty-three million, five hundred thirty thousand, twenty-three".