1423470785629 has 2 divisors, whose sum is σ = 1423470785630. Its totient is φ = 1423470785628.

The previous prime is 1423470785579. The next prime is 1423470785701. The reversal of 1423470785629 is 9265870743241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1297890562500 + 125580223129 = 1139250^2 + 354373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423470785629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423470785729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711735392814 + 711735392815.

It is an arithmetic number, because the mean of its divisors is an integer number (711735392815).

It is a 1-persistent number, because it is pandigital, but 2⋅1423470785629 = 2846941571258 is not.

Almost surely, 2^{1423470785629} is an apocalyptic number.

It is an amenable number.

1423470785629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423470785629 is an equidigital number, since it uses as much as digits as its factorization.

1423470785629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 1423470785629 in words is "one trillion, four hundred twenty-three billion, four hundred seventy million, seven hundred eighty-five thousand, six hundred twenty-nine".