15134223 has 8 divisors (see below), whose sum is σ = 21731248. Its totient is φ = 9313344.

The previous prime is 15134219. The next prime is 15134239. The reversal of 15134223 is 32243151.

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

It is not a de Polignac number, because 15134223 - 2² = 15134219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15134223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15134243) 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, 193990 + ... + 194067.

It is an arithmetic number, because the mean of its divisors is an integer number (2716406).

Almost surely, 2^15134223 is an apocalyptic number.

15134223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15134223 is a deficient number, since it is larger than the sum of its proper divisors (6597025).

15134223 is a wasteful number, since it uses less digits than its factorization.

15134223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388073.

The product of its digits is 720, while the sum is 21.

The square root of 15134223 is about 3890.2728696070. The cubic root of 15134223 is about 247.3546294575.

Adding to 15134223 its reverse (32243151), we get a palindrome (47377374).

The spelling of 15134223 in words is "fifteen million, one hundred thirty-four thousand, two hundred twenty-three".