123013234324381 has 2 divisors, whose sum is σ = 123013234324382. Its totient is φ = 123013234324380.

The previous prime is 123013234324373. The next prime is 123013234324427. The reversal of 123013234324381 is 183423432310321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122007157119225 + 1006077205156 = 11045685^2 + 1003034^2 .

It is a cyclic number.

It is not a de Polignac number, because 123013234324381 - 2³ = 123013234324373 is a prime.

It is a super-2 number, since 2×123013234324381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123013234324361) 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 as a sum of consecutive naturals, namely, 61506617162190 + 61506617162191.

It is an arithmetic number, because the mean of its divisors is an integer number (61506617162191).

Almost surely, 2^{123013234324381} is an apocalyptic number.

It is an amenable number.

123013234324381 is a deficient number, since it is larger than the sum of its proper divisors (1).

123013234324381 is an equidigital number, since it uses as much as digits as its factorization.

123013234324381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 123013234324381 in words is "one hundred twenty-three trillion, thirteen billion, two hundred thirty-four million, three hundred twenty-four thousand, three hundred eighty-one".