91466423 has 4 divisors (see below), whose sum is σ = 95443248. Its totient is φ = 87489600.

The previous prime is 91466383. The next prime is 91466467. The reversal of 91466423 is 32466419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32466419 = 43 ⋅755033.

It is a cyclic number.

It is not a de Polignac number, because 91466423 - 2¹⁴ = 91450039 is a prime.

It is a super-2 number, since 2×91466423² = 16732213072829858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91466483) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1988378 + ... + 1988423.

It is an arithmetic number, because the mean of its divisors is an integer number (23860812).

Almost surely, 2^91466423 is an apocalyptic number.

91466423 is a deficient number, since it is larger than the sum of its proper divisors (3976825).

91466423 is a wasteful number, since it uses less digits than its factorization.

91466423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976824.

The product of its digits is 31104, while the sum is 35.

The square root of 91466423 is about 9563.8079759058. The cubic root of 91466423 is about 450.5613127177.

The spelling of 91466423 in words is "ninety-one million, four hundred sixty-six thousand, four hundred twenty-three".