4520534123 has 16 divisors (see below), whose sum is σ = 5366708160. Its totient is φ = 3725568000.

The previous prime is 4520534099. The next prime is 4520534159. The reversal of 4520534123 is 3214350254.

It is a happy number.

It is not a de Polignac number, because 4520534123 - 2³² = 225566827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520534023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723 + ... + 95123.

It is an arithmetic number, because the mean of its divisors is an integer number (335419260).

Almost surely, 2^4520534123 is an apocalyptic number.

4520534123 is a deficient number, since it is larger than the sum of its proper divisors (846174037).

4520534123 is a wasteful number, since it uses less digits than its factorization.

4520534123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92678.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4520534123 is about 67234.9174387833. The cubic root of 4520534123 is about 1653.4710063240.

Adding to 4520534123 its reverse (3214350254), we get a palindrome (7734884377).

The spelling of 4520534123 in words is "four billion, five hundred twenty million, five hundred thirty-four thousand, one hundred twenty-three".