23733349920 has 960 divisors, whose sum is σ = 103184928000. Its totient is φ = 5120962560.

The previous prime is 23733349909. The next prime is 23733349957. The reversal of 23733349920 is 2994333732.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 84460180 + ... + 84460460.

It is an arithmetic number, because the mean of its divisors is an integer number (107484300).

Almost surely, 2^23733349920 is an apocalyptic number.

23733349920 is a gapful number since it is divisible by the number (20) 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 23733349920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51592464000).

23733349920 is an abundant number, since it is smaller than the sum of its proper divisors (79451578080).

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

23733349920 is a wasteful number, since it uses less digits than its factorization.

23733349920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 45.

The spelling of 23733349920 in words is "twenty-three billion, seven hundred thirty-three million, three hundred forty-nine thousand, nine hundred twenty".