260423128 has 32 divisors (see below), whose sum is σ = 561296160. Its totient is φ = 110960640.

The previous prime is 260423123. The next prime is 260423129. The reversal of 260423128 is 821324062.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 260423096 and 260423105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260423123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3753 + ... + 23128.

It is an arithmetic number, because the mean of its divisors is an integer number (17540505).

Almost surely, 2^260423128 is an apocalyptic number.

260423128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260423128 is an abundant number, since it is smaller than the sum of its proper divisors (300873032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260423128 is a wasteful number, since it uses less digits than its factorization.

260423128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27067 (or 27063 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 260423128 is about 16137.6308050469. The cubic root of 260423128 is about 638.5964750903.

The spelling of 260423128 in words is "two hundred sixty million, four hundred twenty-three thousand, one hundred twenty-eight".