23773265408 has 80 divisors (see below), whose sum is σ = 47904831216. Its totient is φ = 11785912320.

The previous prime is 23773265339. The next prime is 23773265429. The reversal of 23773265408 is 80456237732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53664035 + ... + 53664477.

Almost surely, 2^23773265408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23773265408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23952415608).

23773265408 is an abundant number, since it is smaller than the sum of its proper divisors (24131565808).

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

23773265408 is an equidigital number, since it uses as much as digits as its factorization.

23773265408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 23773265408 in words is "twenty-three billion, seven hundred seventy-three million, two hundred sixty-five thousand, four hundred eight".