623301066140 has 48 divisors (see below), whose sum is σ = 1313332235712. Its totient is φ = 248482661376.

The previous prime is 623301066131. The next prime is 623301066151. The reversal of 623301066140 is 41660103326.

It is a junction number, because it is equal to n+sod(n) for n = 623301066097 and 623301066106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50821649 + ... + 50833911.

It is an arithmetic number, because the mean of its divisors is an integer number (27361088244).

Almost surely, 2^623301066140 is an apocalyptic number.

It is an amenable number.

623301066140 is an abundant number, since it is smaller than the sum of its proper divisors (690031169572).

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

623301066140 is a wasteful number, since it uses less digits than its factorization.

623301066140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20606 (or 20604 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 623301066140 its reverse (41660103326), we get a palindrome (664961169466).

The spelling of 623301066140 in words is "six hundred twenty-three billion, three hundred one million, sixty-six thousand, one hundred forty".