423342041095819 has 2 divisors, whose sum is σ = 423342041095820. Its totient is φ = 423342041095818.

The previous prime is 423342041095793. The next prime is 423342041095823. The reversal of 423342041095819 is 918590140243324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423342041095819 - 2²¹ = 423342038998667 is a prime.

It is a super-2 number, since 2×423342041095819² (a number of 30 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 423342041095819.

It is not a weakly prime, because it can be changed into another prime (423342041095859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671020547909 + 211671020547910.

It is an arithmetic number, because the mean of its divisors is an integer number (211671020547910).

Almost surely, 2^{423342041095819} is an apocalyptic number.

423342041095819 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342041095819 is an equidigital number, since it uses as much as digits as its factorization.

423342041095819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 423342041095819 in words is "four hundred twenty-three trillion, three hundred forty-two billion, forty-one million, ninety-five thousand, eight hundred nineteen".