143140123 has 6 divisors (see below), whose sum is σ = 166509996. Its totient is φ = 122691492.

The previous prime is 143140097. The next prime is 143140133. The reversal of 143140123 is 321041341.

It is not a de Polignac number, because 143140123 - 2¹³ = 143131931 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 143140123.

It is not an unprimeable number, because it can be changed into a prime (143140133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1460565 + ... + 1460662.

It is an arithmetic number, because the mean of its divisors is an integer number (27751666).

Almost surely, 2^143140123 is an apocalyptic number.

143140123 is a deficient number, since it is larger than the sum of its proper divisors (23369873).

143140123 is an equidigital number, since it uses as much as digits as its factorization.

143140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921241 (or 2921234 counting only the distinct ones).

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

The square root of 143140123 is about 11964.1181455216. The cubic root of 143140123 is about 523.1029011979.

Adding to 143140123 its reverse (321041341), we get a palindrome (464181464).

The spelling of 143140123 in words is "one hundred forty-three million, one hundred forty thousand, one hundred twenty-three".