23911620612 has 96 divisors (see below), whose sum is σ = 64478561280. Its totient is φ = 6820744320.

The previous prime is 23911620587. The next prime is 23911620653. The reversal of 23911620612 is 21602611932.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 363393 + ... + 424119.

It is an arithmetic number, because the mean of its divisors is an integer number (671651680).

Almost surely, 2^23911620612 is an apocalyptic number.

23911620612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23911620612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32239280640).

23911620612 is an abundant number, since it is smaller than the sum of its proper divisors (40566940668).

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

23911620612 is a wasteful number, since it uses less digits than its factorization.

23911620612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60921 (or 60919 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 23911620612 in words is "twenty-three billion, nine hundred eleven million, six hundred twenty thousand, six hundred twelve".