979423 has 2 divisors, whose sum is σ = 979424. Its totient is φ = 979422.

The previous prime is 979403. The next prime is 979439. The reversal of 979423 is 324979.

It is a strong prime.

It is an emirp because it is prime and its reverse (324979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489711 + 489712.

It is an arithmetic number, because the mean of its divisors is an integer number (489712).

2⁹⁷⁹⁴²³ is an apocalyptic number.

979423 is a deficient number, since it is larger than the sum of its proper divisors (1).

979423 is an equidigital number, since it uses as much as digits as its factorization.

979423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 979423 is about 989.6580217429. The cubic root of 979423 is about 99.3093408815.

The spelling of 979423 in words is "nine hundred seventy-nine thousand, four hundred twenty-three".