91480223 has 4 divisors (see below), whose sum is σ = 95457648. Its totient is φ = 87502800.

The previous prime is 91480219. The next prime is 91480241. The reversal of 91480223 is 32208419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91480223 - 2² = 91480219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91480273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988678 + ... + 1988723.

It is an arithmetic number, because the mean of its divisors is an integer number (23864412).

Almost surely, 2^91480223 is an apocalyptic number.

91480223 is a deficient number, since it is larger than the sum of its proper divisors (3977425).

91480223 is a wasteful number, since it uses less digits than its factorization.

91480223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977424.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 91480223 is about 9564.5294186384. The cubic root of 91480223 is about 450.5839710632.

The spelling of 91480223 in words is "ninety-one million, four hundred eighty thousand, two hundred twenty-three".