123045334310225 has 24 divisors (see below), whose sum is σ = 155842680075192. Its totient is φ = 96338133632000.

The previous prime is 123045334310219. The next prime is 123045334310279. The reversal of 123045334310225 is 522013433540321.

It can be written as a sum of positive squares in 12 ways, for example, as 11085889884304 + 111959444425921 = 3329548^2 + 10581089^2 .

It is not a de Polignac number, because 123045334310225 - 2¹⁶ = 123045334244689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115259702 + ... + 116322351.

It is an arithmetic number, because the mean of its divisors is an integer number (6493445003133).

Almost surely, 2^{123045334310225} is an apocalyptic number.

It is an amenable number.

123045334310225 is a deficient number, since it is larger than the sum of its proper divisors (32797345764967).

123045334310225 is a wasteful number, since it uses less digits than its factorization.

123045334310225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231582517 (or 231582512 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 123045334310225 its reverse (522013433540321), we get a palindrome (645058767850546).

The spelling of 123045334310225 in words is "one hundred twenty-three trillion, forty-five billion, three hundred thirty-four million, three hundred ten thousand, two hundred twenty-five".