623434040434326 has 96 divisors (see below), whose sum is σ = 1384142985334368. Its totient is φ = 187042292800000.

The previous prime is 623434040434307. The next prime is 623434040434339.

623434040434326 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2312640586 + ... + 2312910146.

It is an arithmetic number, because the mean of its divisors is an integer number (14418156097233).

Almost surely, 2^{623434040434326} is an apocalyptic number.

623434040434326 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 623434040434326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692071492667184).

623434040434326 is an abundant number, since it is smaller than the sum of its proper divisors (760708944900042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623434040434326 is a wasteful number, since it uses less digits than its factorization.

623434040434326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301230 (or 301219 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 48.

The spelling of 623434040434326 in words is "six hundred twenty-three trillion, four hundred thirty-four billion, forty million, four hundred thirty-four thousand, three hundred twenty-six".