143042123 has 24 divisors (see below), whose sum is σ = 176212080. Its totient is φ = 115577280.

The previous prime is 143042099. The next prime is 143042161. The reversal of 143042123 is 321240341.

It is not a de Polignac number, because 143042123 - 2⁶ = 143042059 is a prime.

It is a super-2 number, since 2×143042123² = 40922097904694258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143042095 and 143042104.

It is not an unprimeable number, because it can be changed into a prime (143042173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59933 + ... + 62273.

It is an arithmetic number, because the mean of its divisors is an integer number (7342170).

Almost surely, 2^143042123 is an apocalyptic number.

143042123 is a deficient number, since it is larger than the sum of its proper divisors (33169957).

143042123 is a wasteful number, since it uses less digits than its factorization.

143042123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2420 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143042123 is about 11960.0218645285. The cubic root of 143042123 is about 522.9834942213.

Adding to 143042123 its reverse (321240341), we get a palindrome (464282464).

The spelling of 143042123 in words is "one hundred forty-three million, forty-two thousand, one hundred twenty-three".