123021245340124 has 12 divisors (see below), whose sum is σ = 215305109568304. Its totient is φ = 61505499749184.

The previous prime is 123021245340113. The next prime is 123021245340173. The reversal of 123021245340124 is 421043542120321.

It is a self number, because there is not a number n which added to its sum of digits gives 123021245340124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280676189 + ... + 1280772244.

Almost surely, 2^{123021245340124} is an apocalyptic number.

It is an amenable number.

123021245340124 is a deficient number, since it is larger than the sum of its proper divisors (92283864228180).

123021245340124 is a wasteful number, since it uses less digits than its factorization.

123021245340124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561460444 (or 2561460442 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 123021245340124 its reverse (421043542120321), we get a palindrome (544064787460445).

The spelling of 123021245340124 in words is "one hundred twenty-three trillion, twenty-one billion, two hundred forty-five million, three hundred forty thousand, one hundred twenty-four".