83123199 has 8 divisors (see below), whose sum is σ = 123145520. Its totient is φ = 55415448.

The previous prime is 83123189. The next prime is 83123207. The reversal of 83123199 is 99132138.

It is not a de Polignac number, because 83123199 - 2⁵ = 83123167 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 (83123189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539292 + ... + 1539345.

It is an arithmetic number, because the mean of its divisors is an integer number (15393190).

Almost surely, 2^83123199 is an apocalyptic number.

83123199 is a deficient number, since it is larger than the sum of its proper divisors (40022321).

83123199 is a wasteful number, since it uses less digits than its factorization.

83123199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078646 (or 3078640 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 83123199 is about 9117.1924954999. The cubic root of 83123199 is about 436.4227848444.

It can be divided in two parts, 8312 and 3199, that added together give a palindrome (11511).

The spelling of 83123199 in words is "eighty-three million, one hundred twenty-three thousand, one hundred ninety-nine".