255820352576023 has 4 divisors (see below), whose sum is σ = 255820899026448. Its totient is φ = 255819806125600.

The previous prime is 255820352575969. The next prime is 255820352576057. The reversal of 255820352576023 is 320675253028552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255820352576023 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 (255820352576423) 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, 272522386 + ... + 273459487.

It is an arithmetic number, because the mean of its divisors is an integer number (63955224756612).

Almost surely, 2^{255820352576023} is an apocalyptic number.

255820352576023 is a deficient number, since it is larger than the sum of its proper divisors (546450425).

255820352576023 is an equidigital number, since it uses as much as digits as its factorization.

255820352576023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546450424.

The product of its (nonzero) digits is 30240000, while the sum is 55.

The spelling of 255820352576023 in words is "two hundred fifty-five trillion, eight hundred twenty billion, three hundred fifty-two million, five hundred seventy-six thousand, twenty-three".