15030223 has 4 divisors (see below), whose sum is σ = 16186408. Its totient is φ = 13874040.

The previous prime is 15030199. The next prime is 15030233. The reversal of 15030223 is 32203051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32203051 = 859 ⋅37489.

It is a cyclic number.

It is not a de Polignac number, because 15030223 - 2⁹ = 15029711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15030197 and 15030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578073 + ... + 578098.

It is an arithmetic number, because the mean of its divisors is an integer number (4046602).

Almost surely, 2^15030223 is an apocalyptic number.

15030223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15030223 is a deficient number, since it is larger than the sum of its proper divisors (1156185).

15030223 is a wasteful number, since it uses less digits than its factorization.

15030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156184.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 15030223 is about 3876.8831553195. The cubic root of 15030223 is about 246.7867325958.

Adding to 15030223 its reverse (32203051), we get a palindrome (47233274).

The spelling of 15030223 in words is "fifteen million, thirty thousand, two hundred twenty-three".