23853773011 has 4 divisors (see below), whose sum is σ = 23909118624. Its totient is φ = 23798427400.

The previous prime is 23853772993. The next prime is 23853773051. The reversal of 23853773011 is 11037735832.

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

It is a cyclic number.

It is not a de Polignac number, because 23853773011 - 2⁷ = 23853772883 is a prime.

It is a super-2 number, since 2×23853773011² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23853773051) 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, 27672160 + ... + 27673021.

It is an arithmetic number, because the mean of its divisors is an integer number (5977279656).

Almost surely, 2^23853773011 is an apocalyptic number.

23853773011 is a deficient number, since it is larger than the sum of its proper divisors (55345613).

23853773011 is an equidigital number, since it uses as much as digits as its factorization.

23853773011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55345612.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 23853773011 in words is "twenty-three billion, eight hundred fifty-three million, seven hundred seventy-three thousand, eleven".