123103132645372 has 144 divisors (see below), whose sum is σ = 246545214676992. Its totient is φ = 53684064720000.

The previous prime is 123103132645319. The next prime is 123103132645393. The reversal of 123103132645372 is 273546231301321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2006769333 + ... + 2006830675.

It is an arithmetic number, because the mean of its divisors is an integer number (1712119546368).

Almost surely, 2^{123103132645372} is an apocalyptic number.

It is an amenable number.

123103132645372 is an abundant number, since it is smaller than the sum of its proper divisors (123442082031620).

123103132645372 is a wasteful number, since it uses less digits than its factorization.

123103132645372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62552 (or 62539 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

Adding to 123103132645372 its reverse (273546231301321), we get a palindrome (396649363946693).

The spelling of 123103132645372 in words is "one hundred twenty-three trillion, one hundred three billion, one hundred thirty-two million, six hundred forty-five thousand, three hundred seventy-two".