423634307 has 2 divisors, whose sum is σ = 423634308. Its totient is φ = 423634306.

The previous prime is 423634297. The next prime is 423634327. The reversal of 423634307 is 703436324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423634307 - 2¹² = 423630211 is a prime.

It is not a weakly prime, because it can be changed into another prime (423634327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211817153 + 211817154.

It is an arithmetic number, because the mean of its divisors is an integer number (211817154).

Almost surely, 2^423634307 is an apocalyptic number.

423634307 is a deficient number, since it is larger than the sum of its proper divisors (1).

423634307 is an equidigital number, since it uses as much as digits as its factorization.

423634307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 423634307 is about 20582.3785554537. The cubic root of 423634307 is about 751.0411064241.

The spelling of 423634307 in words is "four hundred twenty-three million, six hundred thirty-four thousand, three hundred seven".