143422121234231 has 16 divisors (see below), whose sum is σ = 165677721457920. Its totient is φ = 121614497202240.

The previous prime is 143422121234209. The next prime is 143422121234233. The reversal of 143422121234231 is 132432121224341.

It is not a de Polignac number, because 143422121234231 - 2⁶ = 143422121234167 is a prime.

It is a super-2 number, since 2×143422121234231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143422121234191 and 143422121234200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143422121234233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262007681 + ... + 262554506.

It is an arithmetic number, because the mean of its divisors is an integer number (10354857591120).

Almost surely, 2^{143422121234231} is an apocalyptic number.

143422121234231 is a deficient number, since it is larger than the sum of its proper divisors (22255600223689).

143422121234231 is a wasteful number, since it uses less digits than its factorization.

143422121234231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524562614.

The product of its digits is 55296, while the sum is 35.

Adding to 143422121234231 its reverse (132432121224341), we get a palindrome (275854242458572).

The spelling of 143422121234231 in words is "one hundred forty-three trillion, four hundred twenty-two billion, one hundred twenty-one million, two hundred thirty-four thousand, two hundred thirty-one".