256323706 has 8 divisors (see below), whose sum is σ = 384706080. Its totient is φ = 128088348.

The previous prime is 256323673. The next prime is 256323713. The reversal of 256323706 is 607323652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32286 + ... + 39433.

It is an arithmetic number, because the mean of its divisors is an integer number (48088260).

Almost surely, 2^256323706 is an apocalyptic number.

256323706 is a deficient number, since it is larger than the sum of its proper divisors (128382374).

256323706 is a wasteful number, since it uses less digits than its factorization.

256323706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73508.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 256323706 is about 16010.1126167182. The cubic root of 256323706 is about 635.2279389189.

The spelling of 256323706 in words is "two hundred fifty-six million, three hundred twenty-three thousand, seven hundred six".