13423020947 has 12 divisors (see below), whose sum is σ = 15621055200. Its totient is φ = 11500641936.

The previous prime is 13423020931. The next prime is 13423021013. The reversal of 13423020947 is 74902032431.

It is not a de Polignac number, because 13423020947 - 2⁴ = 13423020931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13423020647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63929 + ... + 175877.

It is an arithmetic number, because the mean of its divisors is an integer number (1301754600).

Almost surely, 2^13423020947 is an apocalyptic number.

13423020947 is a deficient number, since it is larger than the sum of its proper divisors (2198034253).

13423020947 is a wasteful number, since it uses less digits than its factorization.

13423020947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114410 (or 114403 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 13423020947 in words is "thirteen billion, four hundred twenty-three million, twenty thousand, nine hundred forty-seven".