256076623 has 16 divisors (see below), whose sum is σ = 298218240. Its totient is φ = 217425600.

The previous prime is 256076621. The next prime is 256076629. The reversal of 256076623 is 326670652.

It is a cyclic number.

It is not a de Polignac number, because 256076623 - 2¹ = 256076621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256076621) 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 15 ways as a sum of consecutive naturals, for example, 6211 + ... + 23467.

It is an arithmetic number, because the mean of its divisors is an integer number (18638640).

Almost surely, 2^256076623 is an apocalyptic number.

256076623 is a deficient number, since it is larger than the sum of its proper divisors (42141617).

256076623 is a wasteful number, since it uses less digits than its factorization.

256076623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17358.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 256076623 is about 16002.3942896055. The cubic root of 256076623 is about 635.0237641715.

The spelling of 256076623 in words is "two hundred fifty-six million, seventy-six thousand, six hundred twenty-three".