82223123 has 4 divisors (see below), whose sum is σ = 82245240. Its totient is φ = 82201008.

The previous prime is 82223107. The next prime is 82223131. The reversal of 82223123 is 32132228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82223123 - 2⁴ = 82223107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82223173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3965 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (20561310).

Almost surely, 2^82223123 is an apocalyptic number.

82223123 is a deficient number, since it is larger than the sum of its proper divisors (22117).

82223123 is a wasteful number, since it uses less digits than its factorization.

82223123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22116.

The product of its digits is 1152, while the sum is 23.

The square root of 82223123 is about 9067.6966755621. The cubic root of 82223123 is about 434.8418379514.

The spelling of 82223123 in words is "eighty-two million, two hundred twenty-three thousand, one hundred twenty-three".