23823681853 has 2 divisors, whose sum is σ = 23823681854. Its totient is φ = 23823681852.

The previous prime is 23823681839. The next prime is 23823681857. The reversal of 23823681853 is 35818632832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23543219844 + 280462009 = 153438^2 + 16747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23823681853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23823681797 and 23823681806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23823681857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11911840926 + 11911840927.

It is an arithmetic number, because the mean of its divisors is an integer number (11911840927).

Almost surely, 2^23823681853 is an apocalyptic number.

It is an amenable number.

23823681853 is a deficient number, since it is larger than the sum of its proper divisors (1).

23823681853 is an equidigital number, since it uses as much as digits as its factorization.

23823681853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 49.

The spelling of 23823681853 in words is "twenty-three billion, eight hundred twenty-three million, six hundred eighty-one thousand, eight hundred fifty-three".