91323411412 has 24 divisors (see below), whose sum is σ = 160141871232. Its totient is φ = 45568680000.

The previous prime is 91323411383. The next prime is 91323411427. The reversal of 91323411412 is 21411432319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4565112 + ... + 4585072.

It is an arithmetic number, because the mean of its divisors is an integer number (6672577968).

Almost surely, 2^91323411412 is an apocalyptic number.

It is an amenable number.

91323411412 is a deficient number, since it is larger than the sum of its proper divisors (68818459820).

91323411412 is a wasteful number, since it uses less digits than its factorization.

91323411412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22239 (or 22237 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The spelling of 91323411412 in words is "ninety-one billion, three hundred twenty-three million, four hundred eleven thousand, four hundred twelve".