431423124409 has 2 divisors, whose sum is σ = 431423124410. Its totient is φ = 431423124408.

The previous prime is 431423124397. The next prime is 431423124413. The reversal of 431423124409 is 904421324134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 431316622009 + 106502400 = 656747^2 + 10320^2 .

It is a cyclic number.

It is not a de Polignac number, because 431423124409 - 2⁷ = 431423124281 is a prime.

It is a super-2 number, since 2×431423124409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (431423124809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215711562204 + 215711562205.

It is an arithmetic number, because the mean of its divisors is an integer number (215711562205).

Almost surely, 2^431423124409 is an apocalyptic number.

It is an amenable number.

431423124409 is a deficient number, since it is larger than the sum of its proper divisors (1).

431423124409 is an equidigital number, since it uses as much as digits as its factorization.

431423124409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 431423124409 in words is "four hundred thirty-one billion, four hundred twenty-three million, one hundred twenty-four thousand, four hundred nine".