256302023 has 2 divisors, whose sum is σ = 256302024. Its totient is φ = 256302022.

The previous prime is 256302019. The next prime is 256302061. The reversal of 256302023 is 320203652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 256302023 - 2² = 256302019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256302023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256302073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128151011 + 128151012.

It is an arithmetic number, because the mean of its divisors is an integer number (128151012).

Almost surely, 2^256302023 is an apocalyptic number.

256302023 is a deficient number, since it is larger than the sum of its proper divisors (1).

256302023 is an equidigital number, since it uses as much as digits as its factorization.

256302023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 256302023 is about 16009.4354366417. The cubic root of 256302023 is about 635.2100266261.

Adding to 256302023 its reverse (320203652), we get a palindrome (576505675).

The spelling of 256302023 in words is "two hundred fifty-six million, three hundred two thousand, twenty-three".