545032531123 has 8 divisors (see below), whose sum is σ = 545931783936. Its totient is φ = 544133889600.

The previous prime is 545032531093. The next prime is 545032531171. The reversal of 545032531123 is 321135230545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545032531123 is a prime.

It is a super-2 number, since 2×545032531123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545032561123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649343 + ... + 1952023.

It is an arithmetic number, because the mean of its divisors is an integer number (68241472992).

Almost surely, 2^545032531123 is an apocalyptic number.

545032531123 is a deficient number, since it is larger than the sum of its proper divisors (899252813).

545032531123 is a wasteful number, since it uses less digits than its factorization.

545032531123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305645.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 545032531123 its reverse (321135230545), we get a palindrome (866167761668).

The spelling of 545032531123 in words is "five hundred forty-five billion, thirty-two million, five hundred thirty-one thousand, one hundred twenty-three".