83243111 has 12 divisors (see below), whose sum is σ = 97744968. Its totient is φ = 70679952.

The previous prime is 83243099. The next prime is 83243119. The reversal of 83243111 is 11134238.

It is not a de Polignac number, because 83243111 - 2¹⁰ = 83242087 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 (83243119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2696 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (8145414).

Almost surely, 2^83243111 is an apocalyptic number.

83243111 is a deficient number, since it is larger than the sum of its proper divisors (14501857).

83243111 is a wasteful number, since it uses less digits than its factorization.

83243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15998 (or 15991 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 83243111 is about 9123.7662727626. The cubic root of 83243111 is about 436.6325425101.

Adding to 83243111 its reverse (11134238), we get a palindrome (94377349).

The spelling of 83243111 in words is "eighty-three million, two hundred forty-three thousand, one hundred eleven".