82237423 has 4 divisors (see below), whose sum is σ = 82257760. Its totient is φ = 82217088.

The previous prime is 82237403. The next prime is 82237427. The reversal of 82237423 is 32473228.

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 82237423 - 2⁵ = 82237391 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 (82237427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815 + ... + 12952.

It is an arithmetic number, because the mean of its divisors is an integer number (20564440).

Almost surely, 2^82237423 is an apocalyptic number.

82237423 is a deficient number, since it is larger than the sum of its proper divisors (20337).

82237423 is a wasteful number, since it uses less digits than its factorization.

82237423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20336.

The product of its digits is 16128, while the sum is 31.

The square root of 82237423 is about 9068.4851546441. The cubic root of 82237423 is about 434.8670452881.

The spelling of 82237423 in words is "eighty-two million, two hundred thirty-seven thousand, four hundred twenty-three".