15243323 has 6 divisors (see below), whose sum is σ = 15396444. Its totient is φ = 15091704.

The previous prime is 15243317. The next prime is 15243337. The reversal of 15243323 is 32334251.

15243323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15243323 - 2⁴ = 15243307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15243313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11240 + ... + 12522.

It is an arithmetic number, because the mean of its divisors is an integer number (2566074).

Almost surely, 2^15243323 is an apocalyptic number.

15243323 is a deficient number, since it is larger than the sum of its proper divisors (153121).

15243323 is an equidigital number, since it uses as much as digits as its factorization.

15243323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1392 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 15243323 is about 3904.2698421088. The cubic root of 15243323 is about 247.9475858274.

Adding to 15243323 its reverse (32334251), we get a palindrome (47577574).

The spelling of 15243323 in words is "fifteen million, two hundred forty-three thousand, three hundred twenty-three".