82123841723 has 16 divisors (see below), whose sum is σ = 108411001344. Its totient is φ = 60228332160.

The previous prime is 82123841713. The next prime is 82123841729. The reversal of 82123841723 is 32714832128.

It is a cyclic number.

It is not a de Polignac number, because 82123841723 - 2⁶ = 82123841659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82123841729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31367615 + ... + 31370232.

It is an arithmetic number, because the mean of its divisors is an integer number (6775687584).

Almost surely, 2^82123841723 is an apocalyptic number.

82123841723 is a deficient number, since it is larger than the sum of its proper divisors (26287159621).

82123841723 is a wasteful number, since it uses less digits than its factorization.

82123841723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62737882.

The product of its digits is 129024, while the sum is 41.

The spelling of 82123841723 in words is "eighty-two billion, one hundred twenty-three million, eight hundred forty-one thousand, seven hundred twenty-three".