123531410243343 has 32 divisors (see below), whose sum is σ = 166652911434240. Its totient is φ = 81387788152320.

The previous prime is 123531410243309. The next prime is 123531410243467. The reversal of 123531410243343 is 343342014135321.

It is a happy number.

It is not a de Polignac number, because 123531410243343 - 2⁴⁶ = 53162666065679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123531410143343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130286203 + ... + 131230931.

It is an arithmetic number, because the mean of its divisors is an integer number (5207903482320).

Almost surely, 2^{123531410243343} is an apocalyptic number.

123531410243343 is a deficient number, since it is larger than the sum of its proper divisors (43121501190897).

123531410243343 is a wasteful number, since it uses less digits than its factorization.

123531410243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946239.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 123531410243343 its reverse (343342014135321), we get a palindrome (466873424378664).

The spelling of 123531410243343 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, four hundred ten million, two hundred forty-three thousand, three hundred forty-three".