540002123 has 8 divisors (see below), whose sum is σ = 544617216. Its totient is φ = 535401000.

The previous prime is 540002083. The next prime is 540002147. The reversal of 540002123 is 321200045.

540002123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 540002123 - 2⁸ = 540001867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540002623) 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, 83090 + ... + 89352.

It is an arithmetic number, because the mean of its divisors is an integer number (68077152).

Almost surely, 2^540002123 is an apocalyptic number.

540002123 is a deficient number, since it is larger than the sum of its proper divisors (4615093).

540002123 is a wasteful number, since it uses less digits than its factorization.

540002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 540002123 is about 23237.9457568865. The cubic root of 540002123 is about 814.3263521453.

Adding to 540002123 its reverse (321200045), we get a palindrome (861202168).

The spelling of 540002123 in words is "five hundred forty million, two thousand, one hundred twenty-three".