423121244303111 has 2 divisors, whose sum is σ = 423121244303112. Its totient is φ = 423121244303110.

The previous prime is 423121244303071. The next prime is 423121244303117. The reversal of 423121244303111 is 111303442121324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423121244303111 - 2³⁴ = 423104064433927 is a prime.

It is a super-2 number, since 2×423121244303111² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423121244303117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211560622151555 + 211560622151556.

It is an arithmetic number, because the mean of its divisors is an integer number (211560622151556).

Almost surely, 2^{423121244303111} is an apocalyptic number.

423121244303111 is a deficient number, since it is larger than the sum of its proper divisors (1).

423121244303111 is an equidigital number, since it uses as much as digits as its factorization.

423121244303111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 423121244303111 its reverse (111303442121324), we get a palindrome (534424686424435).

The spelling of 423121244303111 in words is "four hundred twenty-three trillion, one hundred twenty-one billion, two hundred forty-four million, three hundred three thousand, one hundred eleven".