123030324453161 has 2 divisors, whose sum is σ = 123030324453162. Its totient is φ = 123030324453160.

The previous prime is 123030324453133. The next prime is 123030324453191. The reversal of 123030324453161 is 161354423030321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107714403888025 + 15315920565136 = 10378555^2 + 3913556^2 .

It is a cyclic number.

It is not a de Polignac number, because 123030324453161 - 2³⁸ = 122755446546217 is a prime.

It is not a weakly prime, because it can be changed into another prime (123030324453191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61515162226580 + 61515162226581.

It is an arithmetic number, because the mean of its divisors is an integer number (61515162226581).

Almost surely, 2^{123030324453161} is an apocalyptic number.

It is an amenable number.

123030324453161 is a deficient number, since it is larger than the sum of its proper divisors (1).

123030324453161 is an equidigital number, since it uses as much as digits as its factorization.

123030324453161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 123030324453161 its reverse (161354423030321), we get a palindrome (284384747483482).

The spelling of 123030324453161 in words is "one hundred twenty-three trillion, thirty billion, three hundred twenty-four million, four hundred fifty-three thousand, one hundred sixty-one".