82919123 has 12 divisors (see below), whose sum is σ = 96608160. Its totient is φ = 70962192.

The previous prime is 82919101. The next prime is 82919129. The reversal of 82919123 is 32191928.

It is not a de Polignac number, because 82919123 - 2⁸ = 82918867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82919129) 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, 51590 + ... + 53172.

It is an arithmetic number, because the mean of its divisors is an integer number (8050680).

Almost surely, 2^82919123 is an apocalyptic number.

82919123 is a deficient number, since it is larger than the sum of its proper divisors (13689037).

82919123 is a wasteful number, since it uses less digits than its factorization.

82919123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666 (or 2659 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 82919123 is about 9105.9937952977. The cubic root of 82919123 is about 436.0653378921.

The spelling of 82919123 in words is "eighty-two million, nine hundred nineteen thousand, one hundred twenty-three".