423850776901 has 2 divisors, whose sum is σ = 423850776902. Its totient is φ = 423850776900.

The previous prime is 423850776871. The next prime is 423850776967. The reversal of 423850776901 is 109677058324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400556081025 + 23294695876 = 632895^2 + 152626^2 .

It is a cyclic number.

It is not a de Polignac number, because 423850776901 - 2⁷ = 423850776773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423850771901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211925388450 + 211925388451.

It is an arithmetic number, because the mean of its divisors is an integer number (211925388451).

It is a 1-persistent number, because it is pandigital, but 2⋅423850776901 = 847701553802 is not.

Almost surely, 2^423850776901 is an apocalyptic number.

It is an amenable number.

423850776901 is a deficient number, since it is larger than the sum of its proper divisors (1).

423850776901 is an equidigital number, since it uses as much as digits as its factorization.

423850776901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 423850776901 in words is "four hundred twenty-three billion, eight hundred fifty million, seven hundred seventy-six thousand, nine hundred one".