540311150023 has 2 divisors, whose sum is σ = 540311150024. Its totient is φ = 540311150022.

The previous prime is 540311150011. The next prime is 540311150081. The reversal of 540311150023 is 320051113045.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540311150023 is a prime.

It is a super-2 number, since 2×540311150023² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 540311150023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540311150003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270155575011 + 270155575012.

It is an arithmetic number, because the mean of its divisors is an integer number (270155575012).

Almost surely, 2^540311150023 is an apocalyptic number.

540311150023 is a deficient number, since it is larger than the sum of its proper divisors (1).

540311150023 is an equidigital number, since it uses as much as digits as its factorization.

540311150023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 540311150023 its reverse (320051113045), we get a palindrome (860362263068).

The spelling of 540311150023 in words is "five hundred forty billion, three hundred eleven million, one hundred fifty thousand, twenty-three".