423311401321111 has 4 divisors (see below), whose sum is σ = 429629481937912. Its totient is φ = 416993320704312.

The previous prime is 423311401321073. The next prime is 423311401321117. The reversal of 423311401321111 is 111123104113324.

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 423311401321111 - 2³³ = 423302811386519 is a prime.

It is a super-2 number, since 2×423311401321111² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423311401321111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423311401321117) 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, 3159040308300 + ... + 3159040308433.

It is an arithmetic number, because the mean of its divisors is an integer number (107407370484478).

Almost surely, 2^{423311401321111} is an apocalyptic number.

423311401321111 is a deficient number, since it is larger than the sum of its proper divisors (6318080616801).

423311401321111 is an equidigital number, since it uses as much as digits as its factorization.

423311401321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6318080616800.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 423311401321111 its reverse (111123104113324), we get a palindrome (534434505434435).

The spelling of 423311401321111 in words is "four hundred twenty-three trillion, three hundred eleven billion, four hundred one million, three hundred twenty-one thousand, one hundred eleven".