15323880853 has 4 divisors (see below), whose sum is σ = 15329961868. Its totient is φ = 15317799840.

The previous prime is 15323880851. The next prime is 15323880917. The reversal of 15323880853 is 35808832351.

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

It can be written as a sum of positive squares in 2 ways, for example, as 337714129 + 14986166724 = 18377^2 + 122418^2 .

It is a cyclic number.

It is not a de Polignac number, because 15323880853 - 2¹ = 15323880851 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15323880851) 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, 3036726 + ... + 3041767.

It is an arithmetic number, because the mean of its divisors is an integer number (3832490467).

Almost surely, 2^15323880853 is an apocalyptic number.

It is an amenable number.

15323880853 is a deficient number, since it is larger than the sum of its proper divisors (6081015).

15323880853 is an equidigital number, since it uses as much as digits as its factorization.

15323880853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081014.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 15323880853 in words is "fifteen billion, three hundred twenty-three million, eight hundred eighty thousand, eight hundred fifty-three".