15243223 has 8 divisors (see below), whose sum is σ = 15814080. Its totient is φ = 14680800.

The previous prime is 15243211. The next prime is 15243233. The reversal of 15243223 is 32234251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15243223 - 2⁵ = 15243191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15243194 and 15243203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 5776.

It is an arithmetic number, because the mean of its divisors is an integer number (1976760).

Almost surely, 2^15243223 is an apocalyptic number.

15243223 is a deficient number, since it is larger than the sum of its proper divisors (570857).

15243223 is a wasteful number, since it uses less digits than its factorization.

15243223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217.

The product of its digits is 1440, while the sum is 22.

The square root of 15243223 is about 3904.2570355959. The cubic root of 15243223 is about 247.9470436269.

Adding to 15243223 its reverse (32234251), we get a palindrome (47477474).

The spelling of 15243223 in words is "fifteen million, two hundred forty-three thousand, two hundred twenty-three".