23831890648 has 8 divisors (see below), whose sum is σ = 44684794980. Its totient is φ = 11915945320.

The previous prime is 23831890619. The next prime is 23831890669. The reversal of 23831890648 is 84609813832.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×23831890648³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23831890595 and 23831890604.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1489493158 + ... + 1489493173.

Almost surely, 2^23831890648 is an apocalyptic number.

It is an amenable number.

23831890648 is a deficient number, since it is larger than the sum of its proper divisors (20852904332).

23831890648 is a wasteful number, since it uses less digits than its factorization.

23831890648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978986337 (or 2978986333 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 23831890648 in words is "twenty-three billion, eight hundred thirty-one million, eight hundred ninety thousand, six hundred forty-eight".