465423109 has 2 divisors, whose sum is σ = 465423110. Its totient is φ = 465423108.

The previous prime is 465423083. The next prime is 465423121. The reversal of 465423109 is 901324564.

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., 338928100 + 126495009 = 18410^2 + 11247^2 .

It is a cyclic number.

It is not a de Polignac number, because 465423109 - 2⁷ = 465422981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465424109) 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, 232711554 + 232711555.

It is an arithmetic number, because the mean of its divisors is an integer number (232711555).

Almost surely, 2^465423109 is an apocalyptic number.

It is an amenable number.

465423109 is a deficient number, since it is larger than the sum of its proper divisors (1).

465423109 is an equidigital number, since it uses as much as digits as its factorization.

465423109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 465423109 is about 21573.6670271885. The cubic root of 465423109 is about 774.9659972595.

The spelling of 465423109 in words is "four hundred sixty-five million, four hundred twenty-three thousand, one hundred nine".