662041743123 has 16 divisors (see below), whose sum is σ = 887431145216. Its totient is φ = 439009230240.

The previous prime is 662041743089. The next prime is 662041743131. The reversal of 662041743123 is 321347140266.

It is not a de Polignac number, because 662041743123 - 2¹² = 662041739027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662041743173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762786 + ... + 1380552.

It is an arithmetic number, because the mean of its divisors is an integer number (55464446576).

Almost surely, 2^662041743123 is an apocalyptic number.

662041743123 is a deficient number, since it is larger than the sum of its proper divisors (225389402093).

662041743123 is a wasteful number, since it uses less digits than its factorization.

662041743123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619674.

The product of its (nonzero) digits is 145152, while the sum is 39.

Adding to 662041743123 its reverse (321347140266), we get a palindrome (983388883389).

The spelling of 662041743123 in words is "six hundred sixty-two billion, forty-one million, seven hundred forty-three thousand, one hundred twenty-three".