540411123 has 16 divisors (see below), whose sum is σ = 841006080. Its totient is φ = 302235456.

The previous prime is 540411121. The next prime is 540411133. The reversal of 540411123 is 321114045.

It is not a de Polignac number, because 540411123 - 2¹ = 540411121 is a prime.

It is a super-2 number, since 2×540411123² = 584088363724242258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 540411123.

It is not an unprimeable number, because it can be changed into a prime (540411121) 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, 272778 + ... + 274751.

It is an arithmetic number, because the mean of its divisors is an integer number (52562880).

Almost surely, 2^540411123 is an apocalyptic number.

540411123 is a deficient number, since it is larger than the sum of its proper divisors (300594957).

540411123 is a wasteful number, since it uses less digits than its factorization.

540411123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547586.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 540411123 is about 23246.7443527045. The cubic root of 540411123 is about 814.5318917240.

Adding to 540411123 its reverse (321114045), we get a palindrome (861525168).

The spelling of 540411123 in words is "five hundred forty million, four hundred eleven thousand, one hundred twenty-three".