423002291 has 2 divisors, whose sum is σ = 423002292. Its totient is φ = 423002290.

The previous prime is 423002287. The next prime is 423002297. The reversal of 423002291 is 192200324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423002291 - 2² = 423002287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423002297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211501145 + 211501146.

It is an arithmetic number, because the mean of its divisors is an integer number (211501146).

Almost surely, 2^423002291 is an apocalyptic number.

423002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

423002291 is an equidigital number, since it uses as much as digits as its factorization.

423002291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 423002291 is about 20567.0194972436. The cubic root of 423002291 is about 750.6674301694.

The spelling of 423002291 in words is "four hundred twenty-three million, two thousand, two hundred ninety-one".