423142444111 has 2 divisors, whose sum is σ = 423142444112. Its totient is φ = 423142444110.

The previous prime is 423142444099. The next prime is 423142444117. The reversal of 423142444111 is 111444241324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423142444111 - 2⁵ = 423142444079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423142444117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211571222055 + 211571222056.

It is an arithmetic number, because the mean of its divisors is an integer number (211571222056).

Almost surely, 2^423142444111 is an apocalyptic number.

423142444111 is a deficient number, since it is larger than the sum of its proper divisors (1).

423142444111 is an equidigital number, since it uses as much as digits as its factorization.

423142444111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

Adding to 423142444111 its reverse (111444241324), we get a palindrome (534586685435).

The spelling of 423142444111 in words is "four hundred twenty-three billion, one hundred forty-two million, four hundred forty-four thousand, one hundred eleven".