545055044102123 has 2 divisors, whose sum is σ = 545055044102124. Its totient is φ = 545055044102122.

The previous prime is 545055044102113. The next prime is 545055044102131. The reversal of 545055044102123 is 321201440550545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545055044102123 - 2³⁸ = 544780166195179 is a prime.

It is a super-2 number, since 2×545055044102123² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545055044102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272527522051061 + 272527522051062.

It is an arithmetic number, because the mean of its divisors is an integer number (272527522051062).

Almost surely, 2^{545055044102123} is an apocalyptic number.

545055044102123 is a deficient number, since it is larger than the sum of its proper divisors (1).

545055044102123 is an equidigital number, since it uses as much as digits as its factorization.

545055044102123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 545055044102123 its reverse (321201440550545), we get a palindrome (866256484652668).

The spelling of 545055044102123 in words is "five hundred forty-five trillion, fifty-five billion, forty-four million, one hundred two thousand, one hundred twenty-three".