423495841 has 2 divisors, whose sum is σ = 423495842. Its totient is φ = 423495840.

The previous prime is 423495829. The next prime is 423495871. The reversal of 423495841 is 148594324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237036816 + 186459025 = 15396^2 + 13655^2 .

It is a cyclic number.

It is not a de Polignac number, because 423495841 - 2⁹ = 423495329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423495794 and 423495803.

It is not a weakly prime, because it can be changed into another prime (423495871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211747920 + 211747921.

It is an arithmetic number, because the mean of its divisors is an integer number (211747921).

Almost surely, 2^423495841 is an apocalyptic number.

It is an amenable number.

423495841 is a deficient number, since it is larger than the sum of its proper divisors (1).

423495841 is an equidigital number, since it uses as much as digits as its factorization.

423495841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 423495841 is about 20579.0145779627. The cubic root of 423495841 is about 750.9592709130.

The spelling of 423495841 in words is "four hundred twenty-three million, four hundred ninety-five thousand, eight hundred forty-one".