123441530045 has 16 divisors (see below), whose sum is σ = 148512338352. Its totient is φ = 98498350080.

The previous prime is 123441530011. The next prime is 123441530059. The reversal of 123441530045 is 540035144321.

It can be written as a sum of positive squares in 8 ways, for example, as 61588845241 + 61852684804 = 248171^2 + 248702^2 .

It is not a de Polignac number, because 123441530045 - 2⁸ = 123441529789 is a prime.

It is a super-2 number, since 2×123441530045² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123441529993 and 123441530020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12944099 + ... + 12953631.

It is an arithmetic number, because the mean of its divisors is an integer number (9282021147).

Almost surely, 2^123441530045 is an apocalyptic number.

It is an amenable number.

123441530045 is a deficient number, since it is larger than the sum of its proper divisors (25070808307).

123441530045 is an equidigital number, since it uses as much as digits as its factorization.

123441530045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123441530045 its reverse (540035144321), we get a palindrome (663476674366).

The spelling of 123441530045 in words is "one hundred twenty-three billion, four hundred forty-one million, five hundred thirty thousand, forty-five".