123323131041421 has 12 divisors (see below), whose sum is σ = 127824552212500. Its totient is φ = 118975275514368.

The previous prime is 123323131041391. The next prime is 123323131041431. The reversal of 123323131041421 is 124140131323321.

It can be written as a sum of positive squares in 6 ways, for example, as 2217091396 + 123320913950025 = 47086^2 + 11104995^2 .

It is not a de Polignac number, because 123323131041421 - 2⁵ = 123323131041389 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 (123323131041431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57652026 + ... + 59752843.

Almost surely, 2^{123323131041421} is an apocalyptic number.

It is an amenable number.

123323131041421 is a deficient number, since it is larger than the sum of its proper divisors (4501421171079).

123323131041421 is a wasteful number, since it uses less digits than its factorization.

123323131041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117406176 (or 117406147 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 123323131041421 its reverse (124140131323321), we get a palindrome (247463262364742).

The spelling of 123323131041421 in words is "one hundred twenty-three trillion, three hundred twenty-three billion, one hundred thirty-one million, forty-one thousand, four hundred twenty-one".