123124023144145 has 8 divisors (see below), whose sum is σ = 147749305360104. Its totient is φ = 98498900123904.

The previous prime is 123124023144127. The next prime is 123124023144203. The reversal of 123124023144145 is 541441320421321.

It can be written as a sum of positive squares in 4 ways, for example, as 68282192996416 + 54841830147729 = 8263304^2 + 7405527^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123124023144145 - 2¹¹ = 123124023142097 is a prime.

It is a super-5 number, since 5×123124023144145⁵ (a number of 72 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38090754 + ... + 41196523.

It is an arithmetic number, because the mean of its divisors is an integer number (18468663170013).

Almost surely, 2^{123124023144145} is an apocalyptic number.

It is an amenable number.

123124023144145 is a deficient number, since it is larger than the sum of its proper divisors (24625282215959).

123124023144145 is an equidigital number, since it uses as much as digits as its factorization.

123124023144145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79597859.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 123124023144145 its reverse (541441320421321), we get a palindrome (664565343565466).

The spelling of 123124023144145 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, twenty-three million, one hundred forty-four thousand, one hundred forty-five".