15123573 has 12 divisors (see below), whose sum is σ = 22353760. Its totient is φ = 9847656.

The previous prime is 15123553. The next prime is 15123607. The reversal of 15123573 is 37532151.

It is not a de Polignac number, because 15123573 - 2⁶ = 15123509 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 (15123533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19153 + ... + 19926.

Almost surely, 2^15123573 is an apocalyptic number.

It is an amenable number.

15123573 is a deficient number, since it is larger than the sum of its proper divisors (7230187).

15123573 is a wasteful number, since it uses less digits than its factorization.

15123573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39128 (or 39125 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 15123573 is about 3888.9038301300. The cubic root of 15123573 is about 247.2965944338.

The spelling of 15123573 in words is "fifteen million, one hundred twenty-three thousand, five hundred seventy-three".