423461961911 has 2 divisors, whose sum is σ = 423461961912. Its totient is φ = 423461961910.

The previous prime is 423461961899. The next prime is 423461961913. The reversal of 423461961911 is 119169164324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423461961911 is a prime.

Together with 423461961913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423461961913) 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, 211730980955 + 211730980956.

It is an arithmetic number, because the mean of its divisors is an integer number (211730980956).

Almost surely, 2^423461961911 is an apocalyptic number.

423461961911 is a deficient number, since it is larger than the sum of its proper divisors (1).

423461961911 is an equidigital number, since it uses as much as digits as its factorization.

423461961911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The spelling of 423461961911 in words is "four hundred twenty-three billion, four hundred sixty-one million, nine hundred sixty-one thousand, nine hundred eleven".