4540123 has 8 divisors (see below), whose sum is σ = 5230592. Its totient is φ = 3860136.

The previous prime is 4540111. The next prime is 4540127. The reversal of 4540123 is 3210454.

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

It is not a de Polignac number, because 4540123 - 2⁵ = 4540091 is a prime.

It is a super-2 number, since 2×4540123² = 41225433710258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4540123.

It is not an unprimeable number, because it can be changed into a prime (4540127) 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, 1665 + ... + 3442.

It is an arithmetic number, because the mean of its divisors is an integer number (653824).

Almost surely, 2^4540123 is an apocalyptic number.

4540123 is a deficient number, since it is larger than the sum of its proper divisors (690469).

4540123 is a wasteful number, since it uses less digits than its factorization.

4540123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4540123 is about 2130.7564384509. The cubic root of 4540123 is about 165.5855899112.

Adding to 4540123 its reverse (3210454), we get a palindrome (7750577).

The spelling of 4540123 in words is "four million, five hundred forty thousand, one hundred twenty-three".