255443023 has 4 divisors (see below), whose sum is σ = 278665128. Its totient is φ = 232220920.

The previous prime is 255443021. The next prime is 255443047. The reversal of 255443023 is 320344552.

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 255443023 - 2¹ = 255443021 is a prime.

It is a super-2 number, since 2×255443023² = 130502275998757058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255442982 and 255443000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255443021) 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, 11611036 + ... + 11611057.

It is an arithmetic number, because the mean of its divisors is an integer number (69666282).

Almost surely, 2^255443023 is an apocalyptic number.

255443023 is a deficient number, since it is larger than the sum of its proper divisors (23222105).

255443023 is a wasteful number, since it uses less digits than its factorization.

255443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23222104.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 255443023 is about 15982.5849911709. The cubic root of 255443023 is about 634.4995937761.

Adding to 255443023 its reverse (320344552), we get a palindrome (575787575).

The spelling of 255443023 in words is "two hundred fifty-five million, four hundred forty-three thousand, twenty-three".