82508423 has 4 divisors (see below), whose sum is σ = 83739960. Its totient is φ = 81276888.

The previous prime is 82508411. The next prime is 82508467. The reversal of 82508423 is 32480528.

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 82508423 - 2⁴ = 82508407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82508423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508473) 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, 615668 + ... + 615801.

It is an arithmetic number, because the mean of its divisors is an integer number (20934990).

Almost surely, 2^82508423 is an apocalyptic number.

82508423 is a deficient number, since it is larger than the sum of its proper divisors (1231537).

82508423 is a wasteful number, since it uses less digits than its factorization.

82508423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231536.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 82508423 is about 9083.4147213479. The cubic root of 82508423 is about 435.3441993248.

The spelling of 82508423 in words is "eighty-two million, five hundred eight thousand, four hundred twenty-three".