123043143 has 16 divisors (see below), whose sum is σ = 172598400. Its totient is φ = 77854560.

The previous prime is 123043139. The next prime is 123043147. The reversal of 123043143 is 341340321.

It is an interprime number because it is at equal distance from previous prime (123043139) and next prime (123043147).

It is not a de Polignac number, because 123043143 - 2² = 123043139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123043147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6853 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (10787400).

Almost surely, 2^123043143 is an apocalyptic number.

123043143 is a deficient number, since it is larger than the sum of its proper divisors (49555257).

123043143 is a wasteful number, since it uses less digits than its factorization.

123043143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24062.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 123043143 is about 11092.4813725334. The cubic root of 123043143 is about 497.3771224185.

Adding to 123043143 its reverse (341340321), we get a palindrome (464383464).

The spelling of 123043143 in words is "one hundred twenty-three million, forty-three thousand, one hundred forty-three".