123823009645883 has 2 divisors, whose sum is σ = 123823009645884. Its totient is φ = 123823009645882.

The previous prime is 123823009645873. The next prime is 123823009645949. The reversal of 123823009645883 is 388546900328321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123823009645883 - 2⁸ = 123823009645627 is a prime.

It is a super-3 number, since 3×123823009645883³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (123823009645813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61911504822941 + 61911504822942.

It is an arithmetic number, because the mean of its divisors is an integer number (61911504822942).

Almost surely, 2^{123823009645883} is an apocalyptic number.

123823009645883 is a deficient number, since it is larger than the sum of its proper divisors (1).

123823009645883 is an equidigital number, since it uses as much as digits as its factorization.

123823009645883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 123823009645883 in words is "one hundred twenty-three trillion, eight hundred twenty-three billion, nine million, six hundred forty-five thousand, eight hundred eighty-three".