4540235123 has 4 divisors (see below), whose sum is σ = 4585188048. Its totient is φ = 4495282200.

The previous prime is 4540235071. The next prime is 4540235129. The reversal of 4540235123 is 3215320454.

It is a happy number.

4540235123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215320454 = 2 ⋅1607660227.

It is a cyclic number.

It is not a de Polignac number, because 4540235123 - 2¹⁰ = 4540234099 is a prime.

It is a super-2 number, since 2×4540235123² = 41227469944245650258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540235129) 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, 22476311 + ... + 22476512.

It is an arithmetic number, because the mean of its divisors is an integer number (1146297012).

Almost surely, 2^4540235123 is an apocalyptic number.

4540235123 is a deficient number, since it is larger than the sum of its proper divisors (44952925).

4540235123 is a wasteful number, since it uses less digits than its factorization.

4540235123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44952924.

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

The square root of 4540235123 is about 67381.2668551134. The cubic root of 4540235123 is about 1655.8695300205.

Adding to 4540235123 its reverse (3215320454), we get a palindrome (7755555577).

The spelling of 4540235123 in words is "four billion, five hundred forty million, two hundred thirty-five thousand, one hundred twenty-three".