123130324042143 has 16 divisors (see below), whose sum is σ = 179201524374912. Its totient is φ = 74581575804000.

The previous prime is 123130324042081. The next prime is 123130324042171. The reversal of 123130324042143 is 341240423031321.

It is not a de Polignac number, because 123130324042143 - 2¹² = 123130324038047 is a prime.

It is a super-2 number, since 2×123130324042143² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130324742143) 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, 1071516913 + ... + 1071631818.

It is an arithmetic number, because the mean of its divisors is an integer number (11200095273432).

Almost surely, 2^{123130324042143} is an apocalyptic number.

123130324042143 is a deficient number, since it is larger than the sum of its proper divisors (56071200332769).

123130324042143 is a wasteful number, since it uses less digits than its factorization.

123130324042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143150486.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 123130324042143 its reverse (341240423031321), we get a palindrome (464370747073464).

The spelling of 123130324042143 in words is "one hundred twenty-three trillion, one hundred thirty billion, three hundred twenty-four million, forty-two thousand, one hundred forty-three".