15223253 has 4 divisors (see below), whose sum is σ = 15547200. Its totient is φ = 14899308.

The previous prime is 15223213. The next prime is 15223283. The reversal of 15223253 is 35232251.

15223253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15223253 - 2⁶ = 15223189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15223213) 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, 161903 + ... + 161996.

It is an arithmetic number, because the mean of its divisors is an integer number (3886800).

Almost surely, 2^15223253 is an apocalyptic number.

It is an amenable number.

15223253 is a deficient number, since it is larger than the sum of its proper divisors (323947).

15223253 is an equidigital number, since it uses as much as digits as its factorization.

15223253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323946.

The product of its digits is 1800, while the sum is 23.

The square root of 15223253 is about 3901.6987326035. The cubic root of 15223253 is about 247.8387186281.

The spelling of 15223253 in words is "fifteen million, two hundred twenty-three thousand, two hundred fifty-three".