423522097 has 2 divisors, whose sum is σ = 423522098. Its totient is φ = 423522096.

The previous prime is 423522067. The next prime is 423522107. The reversal of 423522097 is 790225324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422754721 + 767376 = 20561^2 + 876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423522097 is a prime.

It is not a weakly prime, because it can be changed into another prime (423522067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211761048 + 211761049.

It is an arithmetic number, because the mean of its divisors is an integer number (211761049).

Almost surely, 2^423522097 is an apocalyptic number.

It is an amenable number.

423522097 is a deficient number, since it is larger than the sum of its proper divisors (1).

423522097 is an equidigital number, since it uses as much as digits as its factorization.

423522097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 423522097 is about 20579.6524994957. The cubic root of 423522097 is about 750.9747899786.

The spelling of 423522097 in words is "four hundred twenty-three million, five hundred twenty-two thousand, ninety-seven".