83091023 has 4 divisors (see below), whose sum is σ = 84024720. Its totient is φ = 82157328.

The previous prime is 83090999. The next prime is 83091031. The reversal of 83091023 is 32019038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32019038 = 2 ⋅16009519.

It is a cyclic number.

It is not a de Polignac number, because 83091023 - 2⁸ = 83090767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83090983 and 83091001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83091083) 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, 466715 + ... + 466892.

It is an arithmetic number, because the mean of its divisors is an integer number (21006180).

Almost surely, 2^83091023 is an apocalyptic number.

83091023 is a deficient number, since it is larger than the sum of its proper divisors (933697).

83091023 is an equidigital number, since it uses as much as digits as its factorization.

83091023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933696.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 83091023 is about 9115.4277464088. The cubic root of 83091023 is about 436.3664662235.

The spelling of 83091023 in words is "eighty-three million, ninety-one thousand, twenty-three".