545332112123 has 2 divisors, whose sum is σ = 545332112124. Its totient is φ = 545332112122.

The previous prime is 545332112111. The next prime is 545332112179. The reversal of 545332112123 is 321211233545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545332112123 - 2⁴ = 545332112107 is a prime.

It is a super-2 number, since 2×545332112123² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545332112123.

It is not a weakly prime, because it can be changed into another prime (545332142123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272666056061 + 272666056062.

It is an arithmetic number, because the mean of its divisors is an integer number (272666056062).

Almost surely, 2^545332112123 is an apocalyptic number.

545332112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

545332112123 is an equidigital number, since it uses as much as digits as its factorization.

545332112123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

Adding to 545332112123 its reverse (321211233545), we get a palindrome (866543345668).

The spelling of 545332112123 in words is "five hundred forty-five billion, three hundred thirty-two million, one hundred twelve thousand, one hundred twenty-three".