540654305623 has 2 divisors, whose sum is σ = 540654305624. Its totient is φ = 540654305622.

The previous prime is 540654305537. The next prime is 540654305657. The reversal of 540654305623 is 326503456045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540654305623 - 2¹⁷ = 540654174551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540654305623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540654305693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270327152811 + 270327152812.

It is an arithmetic number, because the mean of its divisors is an integer number (270327152812).

Almost surely, 2^540654305623 is an apocalyptic number.

540654305623 is a deficient number, since it is larger than the sum of its proper divisors (1).

540654305623 is an equidigital number, since it uses as much as digits as its factorization.

540654305623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 540654305623 in words is "five hundred forty billion, six hundred fifty-four million, three hundred five thousand, six hundred twenty-three".