123000143122031 has 16 divisors (see below), whose sum is σ = 144079784878080. Its totient is φ = 102825690135840.

The previous prime is 123000143122027. The next prime is 123000143122033. The reversal of 123000143122031 is 130221341000321.

It is not a de Polignac number, because 123000143122031 - 2² = 123000143122027 is a prime.

It is a super-2 number, since 2×123000143122031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123000143121988 and 123000143122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000143122033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172471840 + ... + 1172576741.

It is an arithmetic number, because the mean of its divisors is an integer number (9004986554880).

Almost surely, 2^{123000143122031} is an apocalyptic number.

123000143122031 is a deficient number, since it is larger than the sum of its proper divisors (21079641756049).

123000143122031 is a wasteful number, since it uses less digits than its factorization.

123000143122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345048774.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123000143122031 its reverse (130221341000321), we get a palindrome (253221484122352).

The spelling of 123000143122031 in words is "one hundred twenty-three trillion, one hundred forty-three million, one hundred twenty-two thousand, thirty-one".