23443644113 has 4 divisors (see below), whose sum is σ = 24822682020. Its totient is φ = 22064606208.

The previous prime is 23443644089. The next prime is 23443644137. The reversal of 23443644113 is 31144634432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23443644089) and next prime (23443644137).

It can be written as a sum of positive squares in 2 ways, for example, as 19815629824 + 3628014289 = 140768^2 + 60233^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443644113 - 2¹⁴ = 23443627729 is a prime.

It is a super-3 number, since 3×23443644113³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23443644163) 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, 689518928 + ... + 689518961.

It is an arithmetic number, because the mean of its divisors is an integer number (6205670505).

Almost surely, 2^23443644113 is an apocalyptic number.

It is an amenable number.

23443644113 is a deficient number, since it is larger than the sum of its proper divisors (1379037907).

23443644113 is a wasteful number, since it uses less digits than its factorization.

23443644113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379037906.

The product of its digits is 82944, while the sum is 35.

The spelling of 23443644113 in words is "twenty-three billion, four hundred forty-three million, six hundred forty-four thousand, one hundred thirteen".