123430443503053 has 8 divisors (see below), whose sum is σ = 130691160366840. Its totient is φ = 116169738032640.

The previous prime is 123430443503039. The next prime is 123430443503057. The reversal of 123430443503053 is 350305344034321.

It can be written as a sum of positive squares in 4 ways, for example, as 85151499251049 + 38278944252004 = 9227757^2 + 6186998^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123430443503053 - 2⁴¹ = 121231420247501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123430443502997 and 123430443503015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123430443503057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30840583 + ... + 34612171.

It is an arithmetic number, because the mean of its divisors is an integer number (16336395045855).

Almost surely, 2^{123430443503053} is an apocalyptic number.

It is an amenable number.

123430443503053 is a deficient number, since it is larger than the sum of its proper divisors (7260716863787).

123430443503053 is a wasteful number, since it uses less digits than its factorization.

123430443503053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696687.

The product of its (nonzero) digits is 777600, while the sum is 40.

Adding to 123430443503053 its reverse (350305344034321), we get a palindrome (473735787537374).

The spelling of 123430443503053 in words is "one hundred twenty-three trillion, four hundred thirty billion, four hundred forty-three million, five hundred three thousand, fifty-three".