423632771 has 2 divisors, whose sum is σ = 423632772. Its totient is φ = 423632770.

The previous prime is 423632753. The next prime is 423632779. The reversal of 423632771 is 177236324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423632771 - 2²⁶ = 356523907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423632779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211816385 + 211816386.

It is an arithmetic number, because the mean of its divisors is an integer number (211816386).

Almost surely, 2^423632771 is an apocalyptic number.

423632771 is a deficient number, since it is larger than the sum of its proper divisors (1).

423632771 is an equidigital number, since it uses as much as digits as its factorization.

423632771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 423632771 is about 20582.3412419482. The cubic root of 423632771 is about 751.0401987226.

The spelling of 423632771 in words is "four hundred twenty-three million, six hundred thirty-two thousand, seven hundred seventy-one".