123530554534143 has 16 divisors (see below), whose sum is σ = 165446802533376. Its totient is φ = 81984008343360.

The previous prime is 123530554534097. The next prime is 123530554534169. The reversal of 123530554534143 is 341435455035321.

It is a happy number.

It is not a de Polignac number, because 123530554534143 - 2¹³ = 123530554525951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123530554534092 and 123530554534101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123530554534843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219195403 + ... + 219758243.

It is an arithmetic number, because the mean of its divisors is an integer number (10340425158336).

Almost surely, 2^{123530554534143} is an apocalyptic number.

123530554534143 is a deficient number, since it is larger than the sum of its proper divisors (41916247999233).

123530554534143 is a wasteful number, since it uses less digits than its factorization.

123530554534143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891134.

The product of its (nonzero) digits is 6480000, while the sum is 48.

The spelling of 123530554534143 in words is "one hundred twenty-three trillion, five hundred thirty billion, five hundred fifty-four million, five hundred thirty-four thousand, one hundred forty-three".