15323523413 has 4 divisors (see below), whose sum is σ = 16716571008. Its totient is φ = 13930475820.

The previous prime is 15323523401. The next prime is 15323523431. The reversal of 15323523413 is 31432532351.

15323523413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15323523413 - 2⁸ = 15323523157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15323523413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15323523463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696523781 + ... + 696523802.

It is an arithmetic number, because the mean of its divisors is an integer number (4179142752).

Almost surely, 2^15323523413 is an apocalyptic number.

It is an amenable number.

15323523413 is a deficient number, since it is larger than the sum of its proper divisors (1393047595).

15323523413 is a wasteful number, since it uses less digits than its factorization.

15323523413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393047594.

The product of its digits is 32400, while the sum is 32.

The spelling of 15323523413 in words is "fifteen billion, three hundred twenty-three million, five hundred twenty-three thousand, four hundred thirteen".