540900823 has 4 divisors (see below), whose sum is σ = 554093568. Its totient is φ = 527708080.

The previous prime is 540900761. The next prime is 540900851. The reversal of 540900823 is 328009045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 540900823 - 2²⁹ = 4029911 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540900853) 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, 6596311 + ... + 6596392.

It is an arithmetic number, because the mean of its divisors is an integer number (138523392).

Almost surely, 2^540900823 is an apocalyptic number.

540900823 is a deficient number, since it is larger than the sum of its proper divisors (13192745).

540900823 is a wasteful number, since it uses less digits than its factorization.

540900823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13192744.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 540900823 is about 23257.2746253726. The cubic root of 540900823 is about 814.7778500502. Note that the first 3 decimals are identical.

Adding to 540900823 its reverse (328009045), we get a palindrome (868909868).

The spelling of 540900823 in words is "five hundred forty million, nine hundred thousand, eight hundred twenty-three".