544560342523 has 4 divisors (see below), whose sum is σ = 546838837920. Its totient is φ = 542281847128.

The previous prime is 544560342499. The next prime is 544560342533. The reversal of 544560342523 is 325243065445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325243065445 = 5 ⋅65048613089.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544560342523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544560342523.

It is not an unprimeable number, because it can be changed into a prime (544560342533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139247340 + ... + 1139247817.

It is an arithmetic number, because the mean of its divisors is an integer number (136709709480).

Almost surely, 2^544560342523 is an apocalyptic number.

544560342523 is a deficient number, since it is larger than the sum of its proper divisors (2278495397).

544560342523 is a wasteful number, since it uses less digits than its factorization.

544560342523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278495396.

The product of its (nonzero) digits is 1728000, while the sum is 43.

The spelling of 544560342523 in words is "five hundred forty-four billion, five hundred sixty million, three hundred forty-two thousand, five hundred twenty-three".