82423437 has 4 divisors (see below), whose sum is σ = 109897920. Its totient is φ = 54948956.

The previous prime is 82423433. The next prime is 82423441. The reversal of 82423437 is 73432428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (82423433) and next prime (82423441).

It is a cyclic number.

It is not a de Polignac number, because 82423437 - 2² = 82423433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82423398 and 82423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82423433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13737237 + ... + 13737242.

It is an arithmetic number, because the mean of its divisors is an integer number (27474480).

Almost surely, 2^82423437 is an apocalyptic number.

It is an amenable number.

82423437 is a deficient number, since it is larger than the sum of its proper divisors (27474483).

82423437 is a wasteful number, since it uses less digits than its factorization.

82423437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474482.

The product of its digits is 32256, while the sum is 33.

The square root of 82423437 is about 9078.7354295629. The cubic root of 82423437 is about 435.1946757122.

The spelling of 82423437 in words is "eighty-two million, four hundred twenty-three thousand, four hundred thirty-seven".