91132343 has 4 divisors (see below), whose sum is σ = 94072128. Its totient is φ = 88192560.

The previous prime is 91132333. The next prime is 91132357. The reversal of 91132343 is 34323119.

It is a happy number.

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 91132343 - 2²² = 86938039 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 (91132313) 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, 1469846 + ... + 1469907.

It is an arithmetic number, because the mean of its divisors is an integer number (23518032).

Almost surely, 2^91132343 is an apocalyptic number.

91132343 is a deficient number, since it is larger than the sum of its proper divisors (2939785).

91132343 is a wasteful number, since it uses less digits than its factorization.

91132343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939784.

The product of its digits is 1944, while the sum is 26.

The square root of 91132343 is about 9546.3261519812. The cubic root of 91132343 is about 450.0120869181.

The spelling of 91132343 in words is "ninety-one million, one hundred thirty-two thousand, three hundred forty-three".