423401322137 has 2 divisors, whose sum is σ = 423401322138. Its totient is φ = 423401322136.

The previous prime is 423401322121. The next prime is 423401322257. The reversal of 423401322137 is 731223104324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398342748736 + 25058573401 = 631144^2 + 158299^2 .

It is a cyclic number.

It is not a de Polignac number, because 423401322137 - 2⁴ = 423401322121 is a prime.

It is not a weakly prime, because it can be changed into another prime (423401322437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211700661068 + 211700661069.

It is an arithmetic number, because the mean of its divisors is an integer number (211700661069).

Almost surely, 2^423401322137 is an apocalyptic number.

It is an amenable number.

423401322137 is a deficient number, since it is larger than the sum of its proper divisors (1).

423401322137 is an equidigital number, since it uses as much as digits as its factorization.

423401322137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 423401322137 in words is "four hundred twenty-three billion, four hundred one million, three hundred twenty-two thousand, one hundred thirty-seven".