423601106309 has 2 divisors, whose sum is σ = 423601106310. Its totient is φ = 423601106308.

The previous prime is 423601106281. The next prime is 423601106323. The reversal of 423601106309 is 903601106324.

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., 327018141025 + 96582965284 = 571855^2 + 310778^2 .

It is a cyclic number.

It is not a de Polignac number, because 423601106309 - 2⁸ = 423601106053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423601106009) 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, 211800553154 + 211800553155.

It is an arithmetic number, because the mean of its divisors is an integer number (211800553155).

Almost surely, 2^423601106309 is an apocalyptic number.

It is an amenable number.

423601106309 is a deficient number, since it is larger than the sum of its proper divisors (1).

423601106309 is an equidigital number, since it uses as much as digits as its factorization.

423601106309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 423601106309 in words is "four hundred twenty-three billion, six hundred one million, one hundred six thousand, three hundred nine".