423342120011 has 4 divisors (see below), whose sum is σ = 425240515392. Its totient is φ = 421443724632.

The previous prime is 423342119953. The next prime is 423342120043. The reversal of 423342120011 is 110021243324.

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 423342120011 - 2²² = 423337925707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423342120811) 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, 949197356 + ... + 949197801.

It is an arithmetic number, because the mean of its divisors is an integer number (106310128848).

Almost surely, 2^423342120011 is an apocalyptic number.

423342120011 is a deficient number, since it is larger than the sum of its proper divisors (1898395381).

423342120011 is a wasteful number, since it uses less digits than its factorization.

423342120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898395380.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 423342120011 its reverse (110021243324), we get a palindrome (533363363335).

The spelling of 423342120011 in words is "four hundred twenty-three billion, three hundred forty-two million, one hundred twenty thousand, eleven".