23444194456 has 32 divisors (see below), whose sum is σ = 44924518080. Its totient is φ = 11464672000.

The previous prime is 23444194453. The next prime is 23444194483. The reversal of 23444194456 is 65449144432.

It is a happy number.

It is a super-2 number, since 2×23444194456² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444194453) 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, 535806 + ... + 577906.

It is an arithmetic number, because the mean of its divisors is an integer number (1403891190).

Almost surely, 2^23444194456 is an apocalyptic number.

It is an amenable number.

23444194456 is a deficient number, since it is larger than the sum of its proper divisors (21480323624).

23444194456 is a wasteful number, since it uses less digits than its factorization.

23444194456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43635 (or 43631 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 46.

The spelling of 23444194456 in words is "twenty-three billion, four hundred forty-four million, one hundred ninety-four thousand, four hundred fifty-six".