123053218018 has 8 divisors (see below), whose sum is σ = 184581455580. Its totient is φ = 61526066160.

The previous prime is 123053217961. The next prime is 123053218049. The reversal of 123053218018 is 810812350321.

It can be written as a sum of positive squares in 2 ways, for example, as 115876925649 + 7176292369 = 340407^2 + 84713^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131628 + ... + 513256.

Almost surely, 2^123053218018 is an apocalyptic number.

123053218018 is a deficient number, since it is larger than the sum of its proper divisors (61528237562).

123053218018 is a wasteful number, since it uses less digits than its factorization.

123053218018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542852.

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 123053218018 its reverse (810812350321), we get a palindrome (933865568339).

It can be divided in two parts, 12305 and 3218018, that added together give a palindrome (3230323).

The spelling of 123053218018 in words is "one hundred twenty-three billion, fifty-three million, two hundred eighteen thousand, eighteen".