143422123 has 4 divisors (see below), whose sum is σ = 154454608. Its totient is φ = 132389640.

The previous prime is 143422117. The next prime is 143422129. The reversal of 143422123 is 321224341.

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

It is an interprime number because it is at equal distance from previous prime (143422117) and next prime (143422129).

It is a cyclic number.

It is not a de Polignac number, because 143422123 - 2⁹ = 143421611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143422094 and 143422103.

It is not an unprimeable number, because it can be changed into a prime (143422129) 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, 5516223 + ... + 5516248.

It is an arithmetic number, because the mean of its divisors is an integer number (38613652).

Almost surely, 2^143422123 is an apocalyptic number.

143422123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143422123 is a deficient number, since it is larger than the sum of its proper divisors (11032485).

143422123 is a wasteful number, since it uses less digits than its factorization.

143422123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032484.

The product of its digits is 1152, while the sum is 22.

The square root of 143422123 is about 11975.8975864024. The cubic root of 143422123 is about 523.4461970956.

Adding to 143422123 its reverse (321224341), we get a palindrome (464646464).

The spelling of 143422123 in words is "one hundred forty-three million, four hundred twenty-two thousand, one hundred twenty-three".