544123321445 has 16 divisors (see below), whose sum is σ = 743276760192. Its totient is φ = 378520570560.

The previous prime is 544123321411. The next prime is 544123321523.

544123321445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544123321445 - 2³⁰ = 543049579621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 544123321399 and 544123321408.

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, 215067242 + ... + 215069771.

It is an arithmetic number, because the mean of its divisors is an integer number (46454797512).

Almost surely, 2^544123321445 is an apocalyptic number.

544123321445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544123321445 is a deficient number, since it is larger than the sum of its proper divisors (199153438747).

544123321445 is a wasteful number, since it uses less digits than its factorization.

544123321445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430137052.

The product of its digits is 230400, while the sum is 38.

It can be divided in two parts, 544123 and 321445, that added together give a palindrome (865568).

The spelling of 544123321445 in words is "five hundred forty-four billion, one hundred twenty-three million, three hundred twenty-one thousand, four hundred forty-five".