91223296000 has 192 divisors, whose sum is σ = 232959767040. Its totient is φ = 35636428800.

The previous prime is 91223295973. The next prime is 91223296061. The reversal of 91223296000 is 69232219.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11003857 + ... + 11012143.

It is an arithmetic number, because the mean of its divisors is an integer number (1213332120).

Almost surely, 2^91223296000 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 91223296000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116479883520).

91223296000 is an abundant number, since it is smaller than the sum of its proper divisors (141736471040).

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

91223296000 is an equidigital number, since it uses as much as digits as its factorization.

91223296000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 91223296000 in words is "ninety-one billion, two hundred twenty-three million, two hundred ninety-six thousand".