423131412409 has 2 divisors, whose sum is σ = 423131412410. Its totient is φ = 423131412408.

The previous prime is 423131412397. The next prime is 423131412443. The reversal of 423131412409 is 904214131324.

It is an a-pointer prime, because the next prime (423131412443) can be obtained adding 423131412409 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281168244009 + 141963168400 = 530253^2 + 376780^2 .

It is a cyclic number.

It is not a de Polignac number, because 423131412409 - 2²³ = 423123023801 is a prime.

It is not a weakly prime, because it can be changed into another prime (423131412449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211565706204 + 211565706205.

It is an arithmetic number, because the mean of its divisors is an integer number (211565706205).

Almost surely, 2^423131412409 is an apocalyptic number.

It is an amenable number.

423131412409 is a deficient number, since it is larger than the sum of its proper divisors (1).

423131412409 is an equidigital number, since it uses as much as digits as its factorization.

423131412409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 423131412409 in words is "four hundred twenty-three billion, one hundred thirty-one million, four hundred twelve thousand, four hundred nine".