423207097 has 2 divisors, whose sum is σ = 423207098. Its totient is φ = 423207096.

The previous prime is 423207091. The next prime is 423207101. The reversal of 423207097 is 790702324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418979961 + 4227136 = 20469^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 423207097 - 2²³ = 414818489 is a prime.

It is not a weakly prime, because it can be changed into another prime (423207091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211603548 + 211603549.

It is an arithmetic number, because the mean of its divisors is an integer number (211603549).

Almost surely, 2^423207097 is an apocalyptic number.

It is an amenable number.

423207097 is a deficient number, since it is larger than the sum of its proper divisors (1).

423207097 is an equidigital number, since it uses as much as digits as its factorization.

423207097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 423207097 is about 20571.9978854753. The cubic root of 423207097 is about 750.7885614188.

The spelling of 423207097 in words is "four hundred twenty-three million, two hundred seven thousand, ninety-seven".