257538063323 has 16 divisors (see below), whose sum is σ = 269422433280. Its totient is φ = 245711406336.

The previous prime is 257538063319. The next prime is 257538063373. The reversal of 257538063323 is 323360835752.

It is a cyclic number.

It is not a de Polignac number, because 257538063323 - 2² = 257538063319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257538063313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44346686 + ... + 44352492.

It is an arithmetic number, because the mean of its divisors is an integer number (16838902080).

Almost surely, 2^257538063323 is an apocalyptic number.

257538063323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

257538063323 is a deficient number, since it is larger than the sum of its proper divisors (11884369957).

257538063323 is a wasteful number, since it uses less digits than its factorization.

257538063323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426.

The product of its (nonzero) digits is 2721600, while the sum is 47.

The spelling of 257538063323 in words is "two hundred fifty-seven billion, five hundred thirty-eight million, sixty-three thousand, three hundred twenty-three".