23644093081 has 16 divisors (see below), whose sum is σ = 28230451200. Its totient is φ = 19362003408.

The previous prime is 23644093027. The next prime is 23644093103. The reversal of 23644093081 is 18039044632.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23644093081 - 2¹¹ = 23644091033 is a prime.

It is a super-2 number, since 2×23644093081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23644093181) 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, 47560 + ... + 222598.

It is an arithmetic number, because the mean of its divisors is an integer number (1764403200).

Almost surely, 2^23644093081 is an apocalyptic number.

It is an amenable number.

23644093081 is a deficient number, since it is larger than the sum of its proper divisors (4586358119).

23644093081 is a wasteful number, since it uses less digits than its factorization.

23644093081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175908.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 23644093081 in words is "twenty-three billion, six hundred forty-four million, ninety-three thousand, eighty-one".