545111123 has 8 divisors (see below), whose sum is σ = 562119168. Its totient is φ = 528328584.

The previous prime is 545111117. The next prime is 545111183. The reversal of 545111123 is 321111545.

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

It is a cyclic number.

It is not a de Polignac number, because 545111123 - 2¹⁰ = 545110099 is a prime.

It is a super-2 number, since 2×545111123² = 594292272836642258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545111183) 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, 51461 + ... + 61142.

It is an arithmetic number, because the mean of its divisors is an integer number (70264896).

Almost surely, 2^545111123 is an apocalyptic number.

545111123 is a deficient number, since it is larger than the sum of its proper divisors (17008045).

545111123 is a wasteful number, since it uses less digits than its factorization.

545111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112753.

The product of its digits is 600, while the sum is 23.

The square root of 545111123 is about 23347.6149317227. The cubic root of 545111123 is about 816.8864292833.

Adding to 545111123 its reverse (321111545), we get a palindrome (866222668).

The spelling of 545111123 in words is "five hundred forty-five million, one hundred eleven thousand, one hundred twenty-three".