540965923 has 2 divisors, whose sum is σ = 540965924. Its totient is φ = 540965922.

The previous prime is 540965897. The next prime is 540965927. The reversal of 540965923 is 329569045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540965923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540965923.

It is not a weakly prime, because it can be changed into another prime (540965927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270482961 + 270482962.

It is an arithmetic number, because the mean of its divisors is an integer number (270482962).

Almost surely, 2^540965923 is an apocalyptic number.

540965923 is a deficient number, since it is larger than the sum of its proper divisors (1).

540965923 is an equidigital number, since it uses as much as digits as its factorization.

540965923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 540965923 is about 23258.6741453592. The cubic root of 540965923 is about 814.8105362088.

The spelling of 540965923 in words is "five hundred forty million, nine hundred sixty-five thousand, nine hundred twenty-three".