15323412513 has 8 divisors (see below), whose sum is σ = 20689840000. Its totient is φ = 10086296688.

The previous prime is 15323412469. The next prime is 15323412539. The reversal of 15323412513 is 31521432351.

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

It is not a de Polignac number, because 15323412513 - 2⁹ = 15323412001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15323416513) 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, 32327638 + ... + 32328111.

It is an arithmetic number, because the mean of its divisors is an integer number (2586230000).

Almost surely, 2^15323412513 is an apocalyptic number.

It is an amenable number.

15323412513 is a deficient number, since it is larger than the sum of its proper divisors (5366427487).

15323412513 is an equidigital number, since it uses as much as digits as its factorization.

15323412513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64655831.

The product of its digits is 10800, while the sum is 30.

Adding to 15323412513 its reverse (31521432351), we get a palindrome (46844844864).

The spelling of 15323412513 in words is "fifteen billion, three hundred twenty-three million, four hundred twelve thousand, five hundred thirteen".