23761664238 has 32 divisors (see below), whose sum is σ = 52829908992. Its totient is φ = 7075432800.

The previous prime is 23761664237. The next prime is 23761664261. The reversal of 23761664238 is 83246616732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23761664237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4911078 + ... + 4915913.

It is an arithmetic number, because the mean of its divisors is an integer number (1650934656).

Almost surely, 2^23761664238 is an apocalyptic number.

23761664238 is an abundant number, since it is smaller than the sum of its proper divisors (29068244754).

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

23761664238 is a wasteful number, since it uses less digits than its factorization.

23761664238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9827040.

The product of its digits is 1741824, while the sum is 48.

The spelling of 23761664238 in words is "twenty-three billion, seven hundred sixty-one million, six hundred sixty-four thousand, two hundred thirty-eight".