2143312041123 has 56 divisors (see below), whose sum is σ = 3506551530096. Its totient is φ = 1298637100800.

The previous prime is 2143312041121. The next prime is 2143312041137. The reversal of 2143312041123 is 3211402133412.

2143312041123 is a `hidden beast` number, since 2 + 1 + 4 + 331 + 204 + 1 + 123 = 666.

It is not a de Polignac number, because 2143312041123 - 2¹ = 2143312041121 is a prime.

It is a super-2 number, since 2×2143312041123² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2143312041121) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 32500143 + ... + 32566023.

Almost surely, 2^{2143312041123} is an apocalyptic number.

2143312041123 is a deficient number, since it is larger than the sum of its proper divisors (1363239488973).

2143312041123 is an equidigital number, since it uses as much as digits as its factorization.

2143312041123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69967 (or 69952 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 2143312041123 its reverse (3211402133412), we get a palindrome (5354714174535).

The spelling of 2143312041123 in words is "two trillion, one hundred forty-three billion, three hundred twelve million, forty-one thousand, one hundred twenty-three".