15223412103 has 4 divisors (see below), whose sum is σ = 20297882808. Its totient is φ = 10148941400.

The previous prime is 15223412089. The next prime is 15223412107. The reversal of 15223412103 is 30121432251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15223412103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15223412107) 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, 2537235348 + ... + 2537235353.

It is an arithmetic number, because the mean of its divisors is an integer number (5074470702).

Almost surely, 2^15223412103 is an apocalyptic number.

15223412103 is a deficient number, since it is larger than the sum of its proper divisors (5074470705).

15223412103 is an equidigital number, since it uses as much as digits as its factorization.

15223412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074470704.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 15223412103 its reverse (30121432251), we get a palindrome (45344844354).

The spelling of 15223412103 in words is "fifteen billion, two hundred twenty-three million, four hundred twelve thousand, one hundred three".