82656423 has 16 divisors (see below), whose sum is σ = 122604000. Its totient is φ = 55036800.

The previous prime is 82656401. The next prime is 82656439. The reversal of 82656423 is 32465628.

82656423 is a `hidden beast` number, since 8 + 2 + 6 + 5 + 642 + 3 = 666.

It is not a de Polignac number, because 82656423 - 2⁵ = 82656391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82656823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31153 + ... + 33701.

It is an arithmetic number, because the mean of its divisors is an integer number (7662750).

Almost surely, 2^82656423 is an apocalyptic number.

82656423 is a deficient number, since it is larger than the sum of its proper divisors (39947577).

82656423 is a wasteful number, since it uses less digits than its factorization.

82656423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759 (or 3753 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 82656423 is about 9091.5577873102. The cubic root of 82656423 is about 435.6043443017.

The spelling of 82656423 in words is "eighty-two million, six hundred fifty-six thousand, four hundred twenty-three".