623111111326 has 12 divisors (see below), whose sum is σ = 1027360882296. Its totient is φ = 283232323220.

The previous prime is 623111111323. The next prime is 623111111351.

623111111326 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 623111111294 and 623111111303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623111111323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1287419410 + ... + 1287419893.

It is an arithmetic number, because the mean of its divisors is an integer number (85613406858).

Almost surely, 2^623111111326 is an apocalyptic number.

623111111326 is a deficient number, since it is larger than the sum of its proper divisors (404249770970).

623111111326 is a wasteful number, since it uses less digits than its factorization.

623111111326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574839327 (or 2574839316 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

It can be divided in two parts, 623111 and 111326, that added together give a palindrome (734437).

The spelling of 623111111326 in words is "six hundred twenty-three billion, one hundred eleven million, one hundred eleven thousand, three hundred twenty-six".