281352948823 has 2 divisors, whose sum is σ = 281352948824. Its totient is φ = 281352948822.

The previous prime is 281352948719. The next prime is 281352948901. The reversal of 281352948823 is 328849253182.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 281352948823 - 2²¹ = 281350851671 is a prime.

It is a super-2 number, since 2×281352948823² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281352958823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140676474411 + 140676474412.

It is an arithmetic number, because the mean of its divisors is an integer number (140676474412).

Almost surely, 2^281352948823 is an apocalyptic number.

281352948823 is a deficient number, since it is larger than the sum of its proper divisors (1).

281352948823 is an equidigital number, since it uses as much as digits as its factorization.

281352948823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The spelling of 281352948823 in words is "two hundred eighty-one billion, three hundred fifty-two million, nine hundred forty-eight thousand, eight hundred twenty-three".