82531423 has 8 divisors (see below), whose sum is σ = 91282688. Its totient is φ = 74123424.

The previous prime is 82531411. The next prime is 82531433. The reversal of 82531423 is 32413528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82531423 - 2²¹ = 80434271 is a prime.

It is a super-2 number, since 2×82531423² = 13622871564809858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82531391 and 82531400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82531433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85311 + ... + 86272.

It is an arithmetic number, because the mean of its divisors is an integer number (11410336).

Almost surely, 2^82531423 is an apocalyptic number.

82531423 is a deficient number, since it is larger than the sum of its proper divisors (8751265).

82531423 is a wasteful number, since it uses less digits than its factorization.

82531423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171633.

The product of its digits is 5760, while the sum is 28.

The square root of 82531423 is about 9084.6806768317. The cubic root of 82531423 is about 435.3846476652.

The spelling of 82531423 in words is "eighty-two million, five hundred thirty-one thousand, four hundred twenty-three".