423423311311 has 32 divisors (see below), whose sum is σ = 569140443648. Its totient is φ = 304223783040.

The previous prime is 423423311279. The next prime is 423423311327. The reversal of 423423311311 is 113113324324.

It is a cyclic number.

It is not a de Polignac number, because 423423311311 - 2⁵ = 423423311279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423423311311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423423371311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674721 + ... + 1141093.

It is an arithmetic number, because the mean of its divisors is an integer number (17785638864).

Almost surely, 2^423423311311 is an apocalyptic number.

423423311311 is a deficient number, since it is larger than the sum of its proper divisors (145717132337).

423423311311 is a wasteful number, since it uses less digits than its factorization.

423423311311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467311.

The product of its digits is 5184, while the sum is 28.

Adding to 423423311311 its reverse (113113324324), we get a palindrome (536536635635).

The spelling of 423423311311 in words is "four hundred twenty-three billion, four hundred twenty-three million, three hundred eleven thousand, three hundred eleven".