13889009023 has 4 divisors (see below), whose sum is σ = 13933668528. Its totient is φ = 13844349520.

The previous prime is 13889008999. The next prime is 13889009033. The reversal of 13889009023 is 32090098831.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13889009023 is a prime.

It is a super-3 number, since 3×13889009023³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889009033) 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, 22329286 + ... + 22329907.

It is an arithmetic number, because the mean of its divisors is an integer number (3483417132).

Almost surely, 2^13889009023 is an apocalyptic number.

13889009023 is a deficient number, since it is larger than the sum of its proper divisors (44659505).

13889009023 is an equidigital number, since it uses as much as digits as its factorization.

13889009023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44659504.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 13889009023 in words is "thirteen billion, eight hundred eighty-nine million, nine thousand, twenty-three".