23816993464 has 16 divisors (see below), whose sum is σ = 48716577720. Its totient is φ = 10825906080.

The previous prime is 23816993461. The next prime is 23816993471. The reversal of 23816993464 is 46439961832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23816993461) 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, 135323739 + ... + 135323914.

Almost surely, 2^23816993464 is an apocalyptic number.

It is an amenable number.

23816993464 is an abundant number, since it is smaller than the sum of its proper divisors (24899584256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23816993464 is a wasteful number, since it uses less digits than its factorization.

23816993464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270647670 (or 270647666 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The spelling of 23816993464 in words is "twenty-three billion, eight hundred sixteen million, nine hundred ninety-three thousand, four hundred sixty-four".