256070823 has 4 divisors (see below), whose sum is σ = 341427768. Its totient is φ = 170713880.

The previous prime is 256070713. The next prime is 256070827. The reversal of 256070823 is 328070652.

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 256070823 - 2⁸ = 256070567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256070827) 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, 42678468 + ... + 42678473.

It is an arithmetic number, because the mean of its divisors is an integer number (85356942).

Almost surely, 2^256070823 is an apocalyptic number.

256070823 is a deficient number, since it is larger than the sum of its proper divisors (85356945).

256070823 is an equidigital number, since it uses as much as digits as its factorization.

256070823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85356944.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 256070823 is about 16002.2130656981. The cubic root of 256070823 is about 635.0189698179.

The spelling of 256070823 in words is "two hundred fifty-six million, seventy thousand, eight hundred twenty-three".