423130079 has 2 divisors, whose sum is σ = 423130080. Its totient is φ = 423130078.

The previous prime is 423130073. The next prime is 423130087. The reversal of 423130079 is 970031324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423130079 - 2⁸ = 423129823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423130073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211565039 + 211565040.

It is an arithmetic number, because the mean of its divisors is an integer number (211565040).

Almost surely, 2^423130079 is an apocalyptic number.

423130079 is a deficient number, since it is larger than the sum of its proper divisors (1).

423130079 is an equidigital number, since it uses as much as digits as its factorization.

423130079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 423130079 is about 20570.1258868292. The cubic root of 423130079 is about 750.7430141820.

The spelling of 423130079 in words is "four hundred twenty-three million, one hundred thirty thousand, seventy-nine".