78482123 has 4 divisors (see below), whose sum is σ = 78572088. Its totient is φ = 78392160.

The previous prime is 78482119. The next prime is 78482147. The reversal of 78482123 is 32128487.

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 78482123 - 2² = 78482119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78482113) 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, 43661 + ... + 45422.

It is an arithmetic number, because the mean of its divisors is an integer number (19643022).

Almost surely, 2^78482123 is an apocalyptic number.

78482123 is a deficient number, since it is larger than the sum of its proper divisors (89965).

78482123 is an equidigital number, since it uses as much as digits as its factorization.

78482123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89964.

The product of its digits is 21504, while the sum is 35.

The square root of 78482123 is about 8859.0136584159. The cubic root of 78482123 is about 428.1443798427.

The spelling of 78482123 in words is "seventy-eight million, four hundred eighty-two thousand, one hundred twenty-three".