82478323 has 2 divisors, whose sum is σ = 82478324. Its totient is φ = 82478322.

The previous prime is 82478311. The next prime is 82478329. The reversal of 82478323 is 32387428.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82478323 is a prime.

It is not a weakly prime, because it can be changed into another prime (82478329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41239161 + 41239162.

It is an arithmetic number, because the mean of its divisors is an integer number (41239162).

Almost surely, 2^82478323 is an apocalyptic number.

82478323 is a deficient number, since it is larger than the sum of its proper divisors (1).

82478323 is an equidigital number, since it uses as much as digits as its factorization.

82478323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 82478323 is about 9081.7577043213. The cubic root of 82478323 is about 435.2912534004.

The spelling of 82478323 in words is "eighty-two million, four hundred seventy-eight thousand, three hundred twenty-three".