423130093 has 2 divisors, whose sum is σ = 423130094. Its totient is φ = 423130092.

The previous prime is 423130087. The next prime is 423130159. The reversal of 423130093 is 390031324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229280164 + 193849929 = 15142^2 + 13923^2 .

It is a cyclic number.

It is not a de Polignac number, because 423130093 - 2¹³ = 423121901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211565046 + 211565047.

It is an arithmetic number, because the mean of its divisors is an integer number (211565047).

Almost surely, 2^423130093 is an apocalyptic number.

It is an amenable number.

423130093 is a deficient number, since it is larger than the sum of its proper divisors (1).

423130093 is an equidigital number, since it uses as much as digits as its factorization.

423130093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 423130093 is about 20570.1262271285. The cubic root of 423130093 is about 750.7430224619.

The spelling of 423130093 in words is "four hundred twenty-three million, one hundred thirty thousand, ninety-three".