123354240524331 has 32 divisors (see below), whose sum is σ = 179119277952000. Its totient is φ = 75212824555008.

The previous prime is 123354240524329. The next prime is 123354240524341. The reversal of 123354240524331 is 133425042453321.

It is not a de Polignac number, because 123354240524331 - 2¹ = 123354240524329 is a prime.

It is a super-2 number, since 2×123354240524331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123354240524341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10133091 + ... + 18691923.

It is an arithmetic number, because the mean of its divisors is an integer number (5597477436000).

Almost surely, 2^{123354240524331} is an apocalyptic number.

123354240524331 is a deficient number, since it is larger than the sum of its proper divisors (55765037427669).

123354240524331 is a wasteful number, since it uses less digits than its factorization.

123354240524331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8567603.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 123354240524331 its reverse (133425042453321), we get a palindrome (256779282977652).

The spelling of 123354240524331 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred forty million, five hundred twenty-four thousand, three hundred thirty-one".