23853373109 has 4 divisors (see below), whose sum is σ = 23948406720. Its totient is φ = 23758339500.

The previous prime is 23853373099. The next prime is 23853373127. The reversal of 23853373109 is 90137335832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23853373109 - 2²⁸ = 23584937653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23853373109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23853375109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47516429 + ... + 47516930.

It is an arithmetic number, because the mean of its divisors is an integer number (5987101680).

Almost surely, 2^23853373109 is an apocalyptic number.

It is an amenable number.

23853373109 is a deficient number, since it is larger than the sum of its proper divisors (95033611).

23853373109 is an equidigital number, since it uses as much as digits as its factorization.

23853373109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95033610.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 23853373109 in words is "twenty-three billion, eight hundred fifty-three million, three hundred seventy-three thousand, one hundred nine".