15530055023 has 12 divisors (see below), whose sum is σ = 18731941200. Its totient is φ = 12610869696.

The previous prime is 15530055019. The next prime is 15530055049. The reversal of 15530055023 is 32055003551.

It is not a de Polignac number, because 15530055023 - 2² = 15530055019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15530255023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3070298 + ... + 3075351.

It is an arithmetic number, because the mean of its divisors is an integer number (1560995100).

Almost surely, 2^15530055023 is an apocalyptic number.

15530055023 is a deficient number, since it is larger than the sum of its proper divisors (3201886177).

15530055023 is an equidigital number, since it uses as much as digits as its factorization.

15530055023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145694 (or 6145675 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

Adding to 15530055023 its reverse (32055003551), we get a palindrome (47585058574).

The spelling of 15530055023 in words is "fifteen billion, five hundred thirty million, fifty-five thousand, twenty-three".