123041143 has 4 divisors (see below), whose sum is σ = 125362728. Its totient is φ = 120719560.

The previous prime is 123041141. The next prime is 123041173. The reversal of 123041143 is 341140321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123041143 - 2¹ = 123041141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123041143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123041141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160713 + ... + 1160818.

It is an arithmetic number, because the mean of its divisors is an integer number (31340682).

Almost surely, 2^123041143 is an apocalyptic number.

123041143 is a deficient number, since it is larger than the sum of its proper divisors (2321585).

123041143 is an equidigital number, since it uses as much as digits as its factorization.

123041143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321584.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 123041143 is about 11092.3912210127. The cubic root of 123041143 is about 497.3744275381.

Adding to 123041143 its reverse (341140321), we get a palindrome (464181464).

The spelling of 123041143 in words is "one hundred twenty-three million, forty-one thousand, one hundred forty-three".