83181123 has 6 divisors (see below), whose sum is σ = 120150524. Its totient is φ = 55454076.

The previous prime is 83181097. The next prime is 83181139. The reversal of 83181123 is 32118138.

It is not a de Polignac number, because 83181123 - 2¹² = 83177027 is a prime.

It is a super-2 number, since 2×83181123² = 13838198447082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83181173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4621165 + ... + 4621182.

Almost surely, 2^83181123 is an apocalyptic number.

83181123 is a deficient number, since it is larger than the sum of its proper divisors (36969401).

83181123 is a wasteful number, since it uses less digits than its factorization.

83181123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242353 (or 9242350 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 83181123 is about 9120.3685780784. The cubic root of 83181123 is about 436.5241343434.

The spelling of 83181123 in words is "eighty-three million, one hundred eighty-one thousand, one hundred twenty-three".