4505501123 has 4 divisors (see below), whose sum is σ = 4505665608. Its totient is φ = 4505336640.

The previous prime is 4505501081. The next prime is 4505501153. The reversal of 4505501123 is 3211055054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211055054 = 2 ⋅1605527527.

It is a cyclic number.

It is not a de Polignac number, because 4505501123 - 2²⁸ = 4237065667 is a prime.

It is a super-2 number, since 2×4505501123² = 40599080738708522258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4505501092 and 4505501101.

It is not an unprimeable number, because it can be changed into a prime (4505501153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30161 + ... + 99602.

It is an arithmetic number, because the mean of its divisors is an integer number (1126416402).

Almost surely, 2^4505501123 is an apocalyptic number.

4505501123 is a deficient number, since it is larger than the sum of its proper divisors (164485).

4505501123 is a wasteful number, since it uses less digits than its factorization.

4505501123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164484.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4505501123 is about 67123.0297513454. The cubic root of 4505501123 is about 1651.6361026388.

Adding to 4505501123 its reverse (3211055054), we get a palindrome (7716556177).

The spelling of 4505501123 in words is "four billion, five hundred five million, five hundred one thousand, one hundred twenty-three".