14423217644 has 48 divisors (see below), whose sum is σ = 28025706240. Its totient is φ = 6439419840.

The previous prime is 14423217643. The next prime is 14423217659. The reversal of 14423217644 is 44671232441.

It is a junction number, because it is equal to n+sod(n) for n = 14423217598 and 14423217607.

It is not an unprimeable number, because it can be changed into a prime (14423217643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5951417 + ... + 5953839.

It is an arithmetic number, because the mean of its divisors is an integer number (583868880).

Almost surely, 2^14423217644 is an apocalyptic number.

It is an amenable number.

14423217644 is a deficient number, since it is larger than the sum of its proper divisors (13602488596).

14423217644 is a wasteful number, since it uses less digits than its factorization.

14423217644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790 (or 4788 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The spelling of 14423217644 in words is "fourteen billion, four hundred twenty-three million, two hundred seventeen thousand, six hundred forty-four".