15013315423 has 4 divisors (see below), whose sum is σ = 15032839360. Its totient is φ = 14993791488.

The previous prime is 15013315403. The next prime is 15013315433. The reversal of 15013315423 is 32451331051.

It is a happy number.

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-15013315423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15013315391 and 15013315400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15013315403) 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, 9760815 + ... + 9762352.

It is an arithmetic number, because the mean of its divisors is an integer number (3758209840).

Almost surely, 2^15013315423 is an apocalyptic number.

15013315423 is a deficient number, since it is larger than the sum of its proper divisors (19523937).

15013315423 is an equidigital number, since it uses as much as digits as its factorization.

15013315423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19523936.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15013315423 its reverse (32451331051), we get a palindrome (47464646474).

The spelling of 15013315423 in words is "fifteen billion, thirteen million, three hundred fifteen thousand, four hundred twenty-three".