123050135234545 has 8 divisors (see below), whose sum is σ = 147672308456424. Its totient is φ = 98432010737664.

The previous prime is 123050135234527. The next prime is 123050135234567. The reversal of 123050135234545 is 545432531050321.

It can be written as a sum of positive squares in 4 ways, for example, as 1303825989904 + 121746309244641 = 1141852^2 + 11033871^2 .

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 123050135234545 - 2¹⁷ = 123050135103473 is a prime.

It is a super-2 number, since 2×123050135234545² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012114384 + ... + 1012235953.

It is an arithmetic number, because the mean of its divisors is an integer number (18459038557053).

Almost surely, 2^{123050135234545} is an apocalyptic number.

It is an amenable number.

123050135234545 is a deficient number, since it is larger than the sum of its proper divisors (24622173221879).

123050135234545 is a wasteful number, since it uses less digits than its factorization.

123050135234545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024362499.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 123050135234545 its reverse (545432531050321), we get a palindrome (668482666284866).

The spelling of 123050135234545 in words is "one hundred twenty-three trillion, fifty billion, one hundred thirty-five million, two hundred thirty-four thousand, five hundred forty-five".