423112210111 has 4 divisors (see below), whose sum is σ = 423163760800. Its totient is φ = 423060659424.

The previous prime is 423112210109. The next prime is 423112210121. The reversal of 423112210111 is 111012211324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423112210111 - 2¹ = 423112210109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423112210121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25763031 + ... + 25779448.

It is an arithmetic number, because the mean of its divisors is an integer number (105790940200).

Almost surely, 2^423112210111 is an apocalyptic number.

423112210111 is a deficient number, since it is larger than the sum of its proper divisors (51550689).

423112210111 is an equidigital number, since it uses as much as digits as its factorization.

423112210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51550688.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 423112210111 its reverse (111012211324), we get a palindrome (534124421435).

The spelling of 423112210111 in words is "four hundred twenty-three billion, one hundred twelve million, two hundred ten thousand, one hundred eleven".