15023223 has 24 divisors (see below), whose sum is σ = 23166000. Its totient is φ = 9348864.

The previous prime is 15023219. The next prime is 15023227. The reversal of 15023223 is 32232051.

It is an interprime number because it is at equal distance from previous prime (15023219) and next prime (15023227).

It is not a de Polignac number, because 15023223 - 2² = 15023219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15023196 and 15023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15023227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22468 + ... + 23126.

It is an arithmetic number, because the mean of its divisors is an integer number (965250).

Almost surely, 2^15023223 is an apocalyptic number.

15023223 is a deficient number, since it is larger than the sum of its proper divisors (8142777).

15023223 is a wasteful number, since it uses less digits than its factorization.

15023223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 15023223 is about 3875.9802631076. The cubic root of 15023223 is about 246.7484147926.

Adding to 15023223 its reverse (32232051), we get a palindrome (47255274).

The spelling of 15023223 in words is "fifteen million, twenty-three thousand, two hundred twenty-three".