540064320423 has 16 divisors (see below), whose sum is σ = 758063953920. Its totient is φ = 341057730816.

The previous prime is 540064320409. The next prime is 540064320427. The reversal of 540064320423 is 324023460045.

It is not a de Polignac number, because 540064320423 - 2⁸ = 540064320167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540064320427) 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, 64186 + ... + 1041272.

It is an arithmetic number, because the mean of its divisors is an integer number (47378997120).

Almost surely, 2^540064320423 is an apocalyptic number.

540064320423 is a deficient number, since it is larger than the sum of its proper divisors (217999633497).

540064320423 is a wasteful number, since it uses less digits than its factorization.

540064320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986806.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 540064320423 its reverse (324023460045), we get a palindrome (864087780468).

The spelling of 540064320423 in words is "five hundred forty billion, sixty-four million, three hundred twenty thousand, four hundred twenty-three".