623204315012 has 6 divisors (see below), whose sum is σ = 1090607551278. Its totient is φ = 311602157504.

The previous prime is 623204314961. The next prime is 623204315017. The reversal of 623204315012 is 210513402326.

It is a happy number.

623204315012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 386642701636 + 236561613376 = 621806^2 + 486376^2 .

It is a super-2 number, since 2×623204315012² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623204315017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77900539373 + ... + 77900539380.

It is an arithmetic number, because the mean of its divisors is an integer number (181767925213).

Almost surely, 2^623204315012 is an apocalyptic number.

It is an amenable number.

623204315012 is a deficient number, since it is larger than the sum of its proper divisors (467403236266).

623204315012 is a wasteful number, since it uses less digits than its factorization.

623204315012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155801078757 (or 155801078755 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 623204315012 its reverse (210513402326), we get a palindrome (833717717338).

The spelling of 623204315012 in words is "six hundred twenty-three billion, two hundred four million, three hundred fifteen thousand, twelve".