6540743023 has 2 divisors, whose sum is σ = 6540743024. Its totient is φ = 6540743022.

The previous prime is 6540743003. The next prime is 6540743057. The reversal of 6540743023 is 3203470456.

It is an a-pointer prime, because the next prime (6540743057) can be obtained adding 6540743023 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6540743023 - 2⁵ = 6540742991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6540743023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6540743003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270371511 + 3270371512.

It is an arithmetic number, because the mean of its divisors is an integer number (3270371512).

Almost surely, 2^6540743023 is an apocalyptic number.

6540743023 is a deficient number, since it is larger than the sum of its proper divisors (1).

6540743023 is an equidigital number, since it uses as much as digits as its factorization.

6540743023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 6540743023 is about 80874.8602657216. The cubic root of 6540743023 is about 1870.1467873565.

The spelling of 6540743023 in words is "six billion, five hundred forty million, seven hundred forty-three thousand, twenty-three".