15228323 has 12 divisors (see below), whose sum is σ = 17373048. Its totient is φ = 13236960.

The previous prime is 15228319. The next prime is 15228337. The reversal of 15228323 is 32382251.

It is not a de Polignac number, because 15228323 - 2² = 15228319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15228292 and 15228301.

It is not an unprimeable number, because it can be changed into a prime (15228373) 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, 4511 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1447754).

Almost surely, 2^15228323 is an apocalyptic number.

15228323 is a deficient number, since it is larger than the sum of its proper divisors (2144725).

15228323 is a wasteful number, since it uses less digits than its factorization.

15228323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674 (or 2651 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 15228323 is about 3902.3483955178. The cubic root of 15228323 is about 247.8662292360.

It can be divided in two parts, 15228 and 323, that added together give a palindrome (15551).

The spelling of 15228323 in words is "fifteen million, two hundred twenty-eight thousand, three hundred twenty-three".