23444455668 has 12 divisors (see below), whose sum is σ = 54703729920. Its totient is φ = 7814818552.

The previous prime is 23444455663. The next prime is 23444455681. The reversal of 23444455668 is 86655444432.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 23444455668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444455663) 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, 976852308 + ... + 976852331.

It is an arithmetic number, because the mean of its divisors is an integer number (4558644160).

Almost surely, 2^23444455668 is an apocalyptic number.

It is an amenable number.

23444455668 is an abundant number, since it is smaller than the sum of its proper divisors (31259274252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23444455668 is a wasteful number, since it uses less digits than its factorization.

23444455668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953704646 (or 1953704644 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 51.

The spelling of 23444455668 in words is "twenty-three billion, four hundred forty-four million, four hundred fifty-five thousand, six hundred sixty-eight".