260455123 has 4 divisors (see below), whose sum is σ = 260777880. Its totient is φ = 260132368.

The previous prime is 260455121. The next prime is 260455127. The reversal of 260455123 is 321554062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260455123 - 2¹ = 260455121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260455091 and 260455100.

It is not an unprimeable number, because it can be changed into a prime (260455121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160165 + ... + 161782.

It is an arithmetic number, because the mean of its divisors is an integer number (65194470).

Almost surely, 2^260455123 is an apocalyptic number.

260455123 is a deficient number, since it is larger than the sum of its proper divisors (322757).

260455123 is an equidigital number, since it uses as much as digits as its factorization.

260455123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322756.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 260455123 is about 16138.6220911204. The cubic root of 260455123 is about 638.6226261951.

The spelling of 260455123 in words is "two hundred sixty million, four hundred fifty-five thousand, one hundred twenty-three".