13888806623 has 8 divisors (see below), whose sum is σ = 14103159840. Its totient is φ = 13675749120.

The previous prime is 13888806571. The next prime is 13888806667. The reversal of 13888806623 is 32660888831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13888806623 - 2⁸ = 13888806367 is a prime.

It is a super-2 number, since 2×13888806623² (a number of 21 digits) contains 22 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 (13888806023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302315 + ... + 345212.

It is an arithmetic number, because the mean of its divisors is an integer number (1762894980).

Almost surely, 2^13888806623 is an apocalyptic number.

13888806623 is a deficient number, since it is larger than the sum of its proper divisors (214353217).

13888806623 is an equidigital number, since it uses as much as digits as its factorization.

13888806623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647857.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 13888806623 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred six thousand, six hundred twenty-three".