123531311064141 has 12 divisors (see below), whose sum is σ = 178434420770268. Its totient is φ = 82354066704384.

The previous prime is 123531311064097. The next prime is 123531311064149. The reversal of 123531311064141 is 141460113135321.

It is a happy number.

123531311064141 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 3 + 1 + 3 + 1 + 1 + 0 + 641 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 68511559763241 + 55019751300900 = 8277171^2 + 7417530^2 .

It is not a de Polignac number, because 123531311064141 - 2¹⁰ = 123531311063117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123531311064096 and 123531311064105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123531311064149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6014730 + ... + 16829723.

It is an arithmetic number, because the mean of its divisors is an integer number (14869535064189).

Almost surely, 2^{123531311064141} is an apocalyptic number.

It is an amenable number.

123531311064141 is a deficient number, since it is larger than the sum of its proper divisors (54903109706127).

123531311064141 is a wasteful number, since it uses less digits than its factorization.

123531311064141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23445292 (or 23445289 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 123531311064141 its reverse (141460113135321), we get a palindrome (264991424199462).

The spelling of 123531311064141 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, three hundred eleven million, sixty-four thousand, one hundred forty-one".