15453325623 has 4 divisors (see below), whose sum is σ = 20604434168. Its totient is φ = 10302217080.

The previous prime is 15453325609. The next prime is 15453325631. The reversal of 15453325623 is 32652335451.

15453325623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15453325623 - 2⁸ = 15453325367 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 (15453325673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575554268 + ... + 2575554273.

It is an arithmetic number, because the mean of its divisors is an integer number (5151108542).

Almost surely, 2^15453325623 is an apocalyptic number.

15453325623 is a deficient number, since it is larger than the sum of its proper divisors (5151108545).

15453325623 is an equidigital number, since it uses as much as digits as its factorization.

15453325623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151108544.

The product of its digits is 324000, while the sum is 39.

The spelling of 15453325623 in words is "fifteen billion, four hundred fifty-three million, three hundred twenty-five thousand, six hundred twenty-three".