423816074441 has 2 divisors, whose sum is σ = 423816074442. Its totient is φ = 423816074440.

The previous prime is 423816074419. The next prime is 423816074519. The reversal of 423816074441 is 144470618324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212304385225 + 211511689216 = 460765^2 + 459904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423816074441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 423816074392 and 423816074401.

It is not a weakly prime, because it can be changed into another prime (423816074141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211908037220 + 211908037221.

It is an arithmetic number, because the mean of its divisors is an integer number (211908037221).

Almost surely, 2^423816074441 is an apocalyptic number.

It is an amenable number.

423816074441 is a deficient number, since it is larger than the sum of its proper divisors (1).

423816074441 is an equidigital number, since it uses as much as digits as its factorization.

423816074441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 423816074441 in words is "four hundred twenty-three billion, eight hundred sixteen million, seventy-four thousand, four hundred forty-one".