540540412123 has 8 divisors (see below), whose sum is σ = 541997071616. Its totient is φ = 539085537000.

The previous prime is 540540412121. The next prime is 540540412133. The reversal of 540540412123 is 321214045045.

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

It is a cyclic number.

It is not a de Polignac number, because 540540412123 - 2¹ = 540540412121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540540412121) 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, 161698 + ... + 1052248.

It is an arithmetic number, because the mean of its divisors is an integer number (67749633952).

Almost surely, 2^540540412123 is an apocalyptic number.

540540412123 is a deficient number, since it is larger than the sum of its proper divisors (1456659493).

540540412123 is a wasteful number, since it uses less digits than its factorization.

540540412123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892185.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 540540412123 its reverse (321214045045), we get a palindrome (861754457168).

The spelling of 540540412123 in words is "five hundred forty billion, five hundred forty million, four hundred twelve thousand, one hundred twenty-three".