423205216741 has 2 divisors, whose sum is σ = 423205216742. Its totient is φ = 423205216740.

The previous prime is 423205216727. The next prime is 423205216757. The reversal of 423205216741 is 147612502324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326179196641 + 97026020100 = 571121^2 + 311490^2 .

It is a cyclic number.

It is not a de Polignac number, because 423205216741 - 2¹³ = 423205208549 is a prime.

It is a super-2 number, since 2×423205216741² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423205216741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423205216781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211602608370 + 211602608371.

It is an arithmetic number, because the mean of its divisors is an integer number (211602608371).

Almost surely, 2^423205216741 is an apocalyptic number.

It is an amenable number.

423205216741 is a deficient number, since it is larger than the sum of its proper divisors (1).

423205216741 is an equidigital number, since it uses as much as digits as its factorization.

423205216741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 423205216741 in words is "four hundred twenty-three billion, two hundred five million, two hundred sixteen thousand, seven hundred forty-one".