423575897 has 2 divisors, whose sum is σ = 423575898. Its totient is φ = 423575896.

The previous prime is 423575881. The next prime is 423575917. The reversal of 423575897 is 798575324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423495241 + 80656 = 20579^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 423575897 - 2⁴ = 423575881 is a prime.

It is not a weakly prime, because it can be changed into another prime (423575837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211787948 + 211787949.

It is an arithmetic number, because the mean of its divisors is an integer number (211787949).

Almost surely, 2^423575897 is an apocalyptic number.

It is an amenable number.

423575897 is a deficient number, since it is larger than the sum of its proper divisors (1).

423575897 is an equidigital number, since it uses as much as digits as its factorization.

423575897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The square root of 423575897 is about 20580.9595743250. The cubic root of 423575897 is about 751.0065874010.

The spelling of 423575897 in words is "four hundred twenty-three million, five hundred seventy-five thousand, eight hundred ninety-seven".