82623843 has 12 divisors (see below), whose sum is σ = 124534800. Its totient is φ = 52687536.

The previous prime is 82623839. The next prime is 82623847. The reversal of 82623843 is 34832628.

It is an interprime number because it is at equal distance from previous prime (82623839) and next prime (82623847).

It is not a de Polignac number, because 82623843 - 2² = 82623839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82623798 and 82623807.

It is not an unprimeable number, because it can be changed into a prime (82623847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199368 + ... + 199781.

It is an arithmetic number, because the mean of its divisors is an integer number (10377900).

Almost surely, 2^82623843 is an apocalyptic number.

82623843 is a deficient number, since it is larger than the sum of its proper divisors (41910957).

82623843 is a wasteful number, since it uses less digits than its factorization.

82623843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399178 (or 399175 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 82623843 is about 9089.7658385681. The cubic root of 82623843 is about 435.5471039241.

It can be divided in two parts, 826238 and 43, that added together give a square (826281 = 909²).

The spelling of 82623843 in words is "eighty-two million, six hundred twenty-three thousand, eight hundred forty-three".