423511723 has 2 divisors, whose sum is σ = 423511724. Its totient is φ = 423511722.

The previous prime is 423511709. The next prime is 423511787. The reversal of 423511723 is 327115324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423511723 - 2⁹ = 423511211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423511691 and 423511700.

It is not a weakly prime, because it can be changed into another prime (423511703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211755861 + 211755862.

It is an arithmetic number, because the mean of its divisors is an integer number (211755862).

Almost surely, 2^423511723 is an apocalyptic number.

423511723 is a deficient number, since it is larger than the sum of its proper divisors (1).

423511723 is an equidigital number, since it uses as much as digits as its factorization.

423511723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 423511723 is about 20579.4004528801. The cubic root of 423511723 is about 750.9686583221.

The spelling of 423511723 in words is "four hundred twenty-three million, five hundred eleven thousand, seven hundred twenty-three".