423846875537 has 2 divisors, whose sum is σ = 423846875538. Its totient is φ = 423846875536.

The previous prime is 423846875497. The next prime is 423846875561. The reversal of 423846875537 is 735578648324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363228003856 + 60618871681 = 602684^2 + 246209^2 .

It is a cyclic number.

It is not a de Polignac number, because 423846875537 - 2²⁸ = 423578440081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423846875537.

It is not a weakly prime, because it can be changed into another prime (423846175537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211923437768 + 211923437769.

It is an arithmetic number, because the mean of its divisors is an integer number (211923437769).

Almost surely, 2^423846875537 is an apocalyptic number.

It is an amenable number.

423846875537 is a deficient number, since it is larger than the sum of its proper divisors (1).

423846875537 is an equidigital number, since it uses as much as digits as its factorization.

423846875537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135475200, while the sum is 62.

The spelling of 423846875537 in words is "four hundred twenty-three billion, eight hundred forty-six million, eight hundred seventy-five thousand, five hundred thirty-seven".