540123679 has 2 divisors, whose sum is σ = 540123680. Its totient is φ = 540123678.

The previous prime is 540123629. The next prime is 540123713. The reversal of 540123679 is 976321045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540123679 - 2¹³ = 540115487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540123629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270061839 + 270061840.

It is an arithmetic number, because the mean of its divisors is an integer number (270061840).

Almost surely, 2^540123679 is an apocalyptic number.

540123679 is a deficient number, since it is larger than the sum of its proper divisors (1).

540123679 is an equidigital number, since it uses as much as digits as its factorization.

540123679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 540123679 is about 23240.5610732615. The cubic root of 540123679 is about 814.3874499469.

The spelling of 540123679 in words is "five hundred forty million, one hundred twenty-three thousand, six hundred seventy-nine".