13897001223 has 64 divisors (see below), whose sum is σ = 24893440000. Its totient is φ = 7484998752.

The previous prime is 13897001221. The next prime is 13897001233. The reversal of 13897001223 is 32210079831.

13897001223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13897001223 - 2¹ = 13897001221 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 (13897001221) 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 63 ways as a sum of consecutive naturals, for example, 704886 + ... + 724332.

It is an arithmetic number, because the mean of its divisors is an integer number (388960000).

Almost surely, 2^13897001223 is an apocalyptic number.

13897001223 is a deficient number, since it is larger than the sum of its proper divisors (10996438777).

13897001223 is a wasteful number, since it uses less digits than its factorization.

13897001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19681 (or 19675 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 13897001223 in words is "thirteen billion, eight hundred ninety-seven million, one thousand, two hundred twenty-three".