423123707 has 2 divisors, whose sum is σ = 423123708. Its totient is φ = 423123706.

The previous prime is 423123683. The next prime is 423123733. The reversal of 423123707 is 707321324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423123707 - 2¹⁰ = 423122683 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423123707.

It is not a weakly prime, because it can be changed into another prime (423123737) 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, 211561853 + 211561854.

It is an arithmetic number, because the mean of its divisors is an integer number (211561854).

Almost surely, 2^423123707 is an apocalyptic number.

423123707 is a deficient number, since it is larger than the sum of its proper divisors (1).

423123707 is an equidigital number, since it uses as much as digits as its factorization.

423123707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 423123707 is about 20569.9710014380. The cubic root of 423123707 is about 750.7392456336.

The spelling of 423123707 in words is "four hundred twenty-three million, one hundred twenty-three thousand, seven hundred seven".