15428175223 has 4 divisors (see below), whose sum is σ = 16335714960. Its totient is φ = 14520635488.

The previous prime is 15428175211. The next prime is 15428175229. The reversal of 15428175223 is 32257182451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15428175223 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 (15428175229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453769843 + ... + 453769876.

It is an arithmetic number, because the mean of its divisors is an integer number (4083928740).

Almost surely, 2^15428175223 is an apocalyptic number.

15428175223 is a deficient number, since it is larger than the sum of its proper divisors (907539737).

15428175223 is an equidigital number, since it uses as much as digits as its factorization.

15428175223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907539736.

The product of its digits is 134400, while the sum is 40.

The spelling of 15428175223 in words is "fifteen billion, four hundred twenty-eight million, one hundred seventy-five thousand, two hundred twenty-three".