15285338223 has 4 divisors (see below), whose sum is σ = 20380450968. Its totient is φ = 10190225480.

The previous prime is 15285338219. The next prime is 15285338227. The reversal of 15285338223 is 32283358251.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (15285338219) and next prime (15285338227).

It is a cyclic number.

It is not a de Polignac number, because 15285338223 - 2² = 15285338219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15285338227) 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, 2547556368 + ... + 2547556373.

It is an arithmetic number, because the mean of its divisors is an integer number (5095112742).

Almost surely, 2^15285338223 is an apocalyptic number.

15285338223 is a deficient number, since it is larger than the sum of its proper divisors (5095112745).

15285338223 is an equidigital number, since it uses as much as digits as its factorization.

15285338223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095112744.

The product of its digits is 345600, while the sum is 42.

The spelling of 15285338223 in words is "fifteen billion, two hundred eighty-five million, three hundred thirty-eight thousand, two hundred twenty-three".