78008023 has 2 divisors, whose sum is σ = 78008024. Its totient is φ = 78008022.

The previous prime is 78008009. The next prime is 78008041. The reversal of 78008023 is 32080087.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78008023 - 2⁵ = 78007991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78007982 and 78008000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78008003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39004011 + 39004012.

It is an arithmetic number, because the mean of its divisors is an integer number (39004012).

Almost surely, 2^78008023 is an apocalyptic number.

78008023 is a deficient number, since it is larger than the sum of its proper divisors (1).

78008023 is an equidigital number, since it uses as much as digits as its factorization.

78008023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 78008023 is about 8832.2150675807. The cubic root of 78008023 is about 427.2805170439.

The spelling of 78008023 in words is "seventy-eight million, eight thousand, twenty-three".