15230223 has 6 divisors (see below), whose sum is σ = 21999224. Its totient is φ = 10153476.

The previous prime is 15230219. The next prime is 15230263. The reversal of 15230223 is 32203251.

15230223 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15230223 - 2² = 15230219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15230196 and 15230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230203) 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, 846115 + ... + 846132.

Almost surely, 2^15230223 is an apocalyptic number.

15230223 is a deficient number, since it is larger than the sum of its proper divisors (6769001).

15230223 is a wasteful number, since it uses less digits than its factorization.

15230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692253 (or 1692250 counting only the distinct ones).

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

The square root of 15230223 is about 3902.5918310784. The cubic root of 15230223 is about 247.8765373584.

Adding to 15230223 its reverse (32203251), we get a palindrome (47433474).

The spelling of 15230223 in words is "fifteen million, two hundred thirty thousand, two hundred twenty-three".