123241511503445 has 16 divisors (see below), whose sum is σ = 151161480149760. Its totient is φ = 96435425696064.

The previous prime is 123241511503427. The next prime is 123241511503469. The reversal of 123241511503445 is 544305115142321.

It is a cyclic number.

It is not a de Polignac number, because 123241511503445 - 2³² = 123237216536149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1457919542 + ... + 1458004071.

It is an arithmetic number, because the mean of its divisors is an integer number (9447592509360).

Almost surely, 2^{123241511503445} is an apocalyptic number.

It is an amenable number.

123241511503445 is a deficient number, since it is larger than the sum of its proper divisors (27919968646315).

123241511503445 is a wasteful number, since it uses less digits than its factorization.

123241511503445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915923804.

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 123241511503445 its reverse (544305115142321), we get a palindrome (667546626645766).

The spelling of 123241511503445 in words is "one hundred twenty-three trillion, two hundred forty-one billion, five hundred eleven million, five hundred three thousand, four hundred forty-five".