662444387123 has 2 divisors, whose sum is σ = 662444387124. Its totient is φ = 662444387122.

The previous prime is 662444387107. The next prime is 662444387141. The reversal of 662444387123 is 321783444266.

662444387123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662444387123 - 2⁴ = 662444387107 is a prime.

It is not a weakly prime, because it can be changed into another prime (662644387123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331222193561 + 331222193562.

It is an arithmetic number, because the mean of its divisors is an integer number (331222193562).

Almost surely, 2^662444387123 is an apocalyptic number.

662444387123 is a deficient number, since it is larger than the sum of its proper divisors (1).

662444387123 is an equidigital number, since it uses as much as digits as its factorization.

662444387123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 50.

The spelling of 662444387123 in words is "six hundred sixty-two billion, four hundred forty-four million, three hundred eighty-seven thousand, one hundred twenty-three".