13147420323 has 16 divisors (see below), whose sum is σ = 18516202496. Its totient is φ = 8284943520.

The previous prime is 13147420313. The next prime is 13147420327. The reversal of 13147420323 is 32302474131.

It is not a de Polignac number, because 13147420323 - 2⁹ = 13147419811 is a prime.

It is a super-2 number, since 2×13147420323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13147420327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1639840 + ... + 1647837.

It is an arithmetic number, because the mean of its divisors is an integer number (1157262656).

Almost surely, 2^13147420323 is an apocalyptic number.

13147420323 is a deficient number, since it is larger than the sum of its proper divisors (5368782173).

13147420323 is a wasteful number, since it uses less digits than its factorization.

13147420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287754.

The product of its (nonzero) digits is 12096, while the sum is 30.

Adding to 13147420323 its reverse (32302474131), we get a palindrome (45449894454).

The spelling of 13147420323 in words is "thirteen billion, one hundred forty-seven million, four hundred twenty thousand, three hundred twenty-three".