260543123 has 2 divisors, whose sum is σ = 260543124. Its totient is φ = 260543122.

The previous prime is 260543119. The next prime is 260543161. The reversal of 260543123 is 321345062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260543123 - 2² = 260543119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260543092 and 260543101.

It is not a weakly prime, because it can be changed into another prime (260543113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130271561 + 130271562.

It is an arithmetic number, because the mean of its divisors is an integer number (130271562).

Almost surely, 2^260543123 is an apocalyptic number.

260543123 is a deficient number, since it is larger than the sum of its proper divisors (1).

260543123 is an equidigital number, since it uses as much as digits as its factorization.

260543123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 260543123 is about 16141.3482398466. The cubic root of 260543123 is about 638.6945419278.

Adding to 260543123 its reverse (321345062), we get a palindrome (581888185).

The spelling of 260543123 in words is "two hundred sixty million, five hundred forty-three thousand, one hundred twenty-three".