23804421903 has 6 divisors (see below), whose sum is σ = 34384164984. Its totient is φ = 15869614596.

The previous prime is 23804421859. The next prime is 23804421917. The reversal of 23804421903 is 30912440832.

23804421903 is a `hidden beast` number, since 23 + 8 + 0 + 442 + 190 + 3 = 666.

It is not a de Polignac number, because 23804421903 - 2³⁰ = 22730680079 is a prime.

It is a super-2 number, since 2×23804421903² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23804421923) 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 5 ways as a sum of consecutive naturals, for example, 1322467875 + ... + 1322467892.

It is an arithmetic number, because the mean of its divisors is an integer number (5730694164).

Almost surely, 2^23804421903 is an apocalyptic number.

23804421903 is a deficient number, since it is larger than the sum of its proper divisors (10579743081).

23804421903 is a wasteful number, since it uses less digits than its factorization.

23804421903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644935773 (or 2644935770 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 23804421903 in words is "twenty-three billion, eight hundred four million, four hundred twenty-one thousand, nine hundred three".