623555650444012 has 192 divisors, whose sum is σ = 1332131638118400. Its totient is φ = 251482008960000.

The previous prime is 623555650444009. The next prime is 623555650444019. The reversal of 623555650444012 is 210444056555326.

It is a super-2 number, since 2×623555650444012² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (623555650444019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5848394439 + ... + 5848501057.

It is an arithmetic number, because the mean of its divisors is an integer number (6938185615200).

Almost surely, 2^{623555650444012} is an apocalyptic number.

It is an amenable number.

623555650444012 is an abundant number, since it is smaller than the sum of its proper divisors (708575987674388).

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

623555650444012 is a wasteful number, since it uses less digits than its factorization.

623555650444012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108248 (or 108246 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 52.

The spelling of 623555650444012 in words is "six hundred twenty-three trillion, five hundred fifty-five billion, six hundred fifty million, four hundred forty-four thousand, twelve".