23444320216 has 8 divisors (see below), whose sum is σ = 43958100420. Its totient is φ = 11722160104.

The previous prime is 23444320201. The next prime is 23444320223. The reversal of 23444320216 is 61202344432.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465270006 + ... + 1465270021.

Almost surely, 2^23444320216 is an apocalyptic number.

It is an amenable number.

23444320216 is a deficient number, since it is larger than the sum of its proper divisors (20513780204).

23444320216 is a wasteful number, since it uses less digits than its factorization.

23444320216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930540033 (or 2930540029 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 23444320216 its reverse (61202344432), we get a palindrome (84646664648).

The spelling of 23444320216 in words is "twenty-three billion, four hundred forty-four million, three hundred twenty thousand, two hundred sixteen".