256083623 has 4 divisors (see below), whose sum is σ = 263004840. Its totient is φ = 249162408.

The previous prime is 256083599. The next prime is 256083629. The reversal of 256083623 is 326380652.

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 256083623 - 2⁶ = 256083559 is a prime.

It is a super-2 number, since 2×256083623² = 131157643937612258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256083629) 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, 3460553 + ... + 3460626.

It is an arithmetic number, because the mean of its divisors is an integer number (65751210).

Almost surely, 2^256083623 is an apocalyptic number.

256083623 is a deficient number, since it is larger than the sum of its proper divisors (6921217).

256083623 is an equidigital number, since it uses as much as digits as its factorization.

256083623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921216.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 256083623 is about 16002.6130053813. The cubic root of 256083623 is about 635.0295503639.

The spelling of 256083623 in words is "two hundred fifty-six million, eighty-three thousand, six hundred twenty-three".