123434130421124 has 12 divisors (see below), whose sum is σ = 216020543463564. Its totient is φ = 61713975145824.

The previous prime is 123434130421123. The next prime is 123434130421139. The reversal of 123434130421124 is 421124031434321.

It can be written as a sum of positive squares in 2 ways, for example, as 66298189216900 + 57135941204224 = 8142370^2 + 7558832^2 .

It is not an unprimeable number, because it can be changed into a prime (123434130421123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772426307 + ... + 772586090.

It is an arithmetic number, because the mean of its divisors is an integer number (18001711955297).

Almost surely, 2^{123434130421124} is an apocalyptic number.

It is an amenable number.

123434130421124 is a deficient number, since it is larger than the sum of its proper divisors (92586413042440).

123434130421124 is a wasteful number, since it uses less digits than its factorization.

123434130421124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545032374 (or 1545032372 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 123434130421124 its reverse (421124031434321), we get a palindrome (544558161855445).

The spelling of 123434130421124 in words is "one hundred twenty-three trillion, four hundred thirty-four billion, one hundred thirty million, four hundred twenty-one thousand, one hundred twenty-four".