15213423003 has 8 divisors (see below), whose sum is σ = 20285659968. Its totient is φ = 10141734024.

The previous prime is 15213422981. The next prime is 15213423019. The reversal of 15213423003 is 30032431251.

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

It is not a de Polignac number, because 15213423003 - 2¹⁷ = 15213291931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15213413003) 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, 67125 + ... + 186902.

It is an arithmetic number, because the mean of its divisors is an integer number (2535707496).

Almost surely, 2^15213423003 is an apocalyptic number.

15213423003 is a deficient number, since it is larger than the sum of its proper divisors (5072236965).

15213423003 is a wasteful number, since it uses less digits than its factorization.

15213423003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273993.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 15213423003 its reverse (30032431251), we get a palindrome (45245854254).

The spelling of 15213423003 in words is "fifteen billion, two hundred thirteen million, four hundred twenty-three thousand, three".