143430123 has 4 divisors (see below), whose sum is σ = 191240168. Its totient is φ = 95620080.

The previous prime is 143430101. The next prime is 143430127. The reversal of 143430123 is 321034341.

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

It is not a de Polignac number, because 143430123 - 2²⁵ = 109875691 is a prime.

It is an alternating number because its digits alternate between odd and even.

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 143430123.

It is not an unprimeable number, because it can be changed into a prime (143430127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23905018 + ... + 23905023.

It is an arithmetic number, because the mean of its divisors is an integer number (47810042).

Almost surely, 2^143430123 is an apocalyptic number.

143430123 is a deficient number, since it is larger than the sum of its proper divisors (47810045).

143430123 is an equidigital number, since it uses as much as digits as its factorization.

143430123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47810044.

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

The square root of 143430123 is about 11976.2315859372. The cubic root of 143430123 is about 523.4559294196.

Adding to 143430123 its reverse (321034341), we get a palindrome (464464464).

It can be divided in two parts, 1434301 and 23, that multiplied together give a palindrome (32988923).

The spelling of 143430123 in words is "one hundred forty-three million, four hundred thirty thousand, one hundred twenty-three".