15120240403023 has 48 divisors (see below), whose sum is σ = 25242054739200. Its totient is φ = 8542649681280.

The previous prime is 15120240403007. The next prime is 15120240403033. The reversal of 15120240403023 is 32030404202151.

15120240403023 is a `hidden beast` number, since 1 + 5 + 1 + 202 + 404 + 0 + 30 + 23 = 666.

15120240403023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15120240403023 - 2⁴ = 15120240403007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120240403033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147811068 + ... + 147913326.

It is an arithmetic number, because the mean of its divisors is an integer number (525876140400).

Almost surely, 2^{15120240403023} is an apocalyptic number.

15120240403023 is a deficient number, since it is larger than the sum of its proper divisors (10121814336177).

15120240403023 is a wasteful number, since it uses less digits than its factorization.

15120240403023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128732 (or 128729 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 15120240403023 its reverse (32030404202151), we get a palindrome (47150644605174).

The spelling of 15120240403023 in words is "fifteen trillion, one hundred twenty billion, two hundred forty million, four hundred three thousand, twenty-three".