423384373 has 2 divisors, whose sum is σ = 423384374. Its totient is φ = 423384372.

The previous prime is 423384361. The next prime is 423384383. The reversal of 423384373 is 373483324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 312334929 + 111049444 = 17673^2 + 10538^2 .

It is a cyclic number.

It is not a de Polignac number, because 423384373 - 2¹³ = 423376181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423384343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211692186 + 211692187.

It is an arithmetic number, because the mean of its divisors is an integer number (211692187).

Almost surely, 2^423384373 is an apocalyptic number.

It is an amenable number.

423384373 is a deficient number, since it is larger than the sum of its proper divisors (1).

423384373 is an equidigital number, since it uses as much as digits as its factorization.

423384373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 37.

The square root of 423384373 is about 20576.3061067821. The cubic root of 423384373 is about 750.8933786695.

The spelling of 423384373 in words is "four hundred twenty-three million, three hundred eighty-four thousand, three hundred seventy-three".