78832423 has 2 divisors, whose sum is σ = 78832424. Its totient is φ = 78832422.

The previous prime is 78832367. The next prime is 78832433. The reversal of 78832423 is 32423887.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32423887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 78832423 - 2²¹ = 76735271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78832433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39416211 + 39416212.

It is an arithmetic number, because the mean of its divisors is an integer number (39416212).

Almost surely, 2^78832423 is an apocalyptic number.

78832423 is a deficient number, since it is larger than the sum of its proper divisors (1).

78832423 is an equidigital number, since it uses as much as digits as its factorization.

78832423 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 78832423 is about 8878.7624700743. The cubic root of 78832423 is about 428.7804329193.

The spelling of 78832423 in words is "seventy-eight million, eight hundred thirty-two thousand, four hundred twenty-three".