423707 has 2 divisors, whose sum is σ = 423708. Its totient is φ = 423706.

The previous prime is 423697. The next prime is 423713. The reversal of 423707 is 707324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423707 - 2¹⁸ = 161563 is a prime.

It is not a weakly prime, because it can be changed into another prime (423727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211853 + 211854.

It is an arithmetic number, because the mean of its divisors is an integer number (211854).

2⁴²³⁷⁰⁷ is an apocalyptic number.

423707 is a deficient number, since it is larger than the sum of its proper divisors (1).

423707 is an equidigital number, since it uses as much as digits as its factorization.

423707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 423707 is about 650.9277993756. The cubic root of 423707 is about 75.1084061954.

The spelling of 423707 in words is "four hundred twenty-three thousand, seven hundred seven", and thus it is an iban number.