143421401231 has 8 divisors (see below), whose sum is σ = 150328227840. Its totient is φ = 136570500792.

The previous prime is 143421401209. The next prime is 143421401251. The reversal of 143421401231 is 132104124341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143421401231 - 2¹⁰ = 143421400207 is a prime.

It is a super-2 number, since 2×143421401231² (a number of 23 digits) contains 22 as substring.

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 143421401231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143421401251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13976291 + ... + 13986548.

It is an arithmetic number, because the mean of its divisors is an integer number (18791028480).

Almost surely, 2^143421401231 is an apocalyptic number.

143421401231 is a deficient number, since it is larger than the sum of its proper divisors (6906826609).

143421401231 is a wasteful number, since it uses less digits than its factorization.

143421401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27963085.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 143421401231 its reverse (132104124341), we get a palindrome (275525525572).

The spelling of 143421401231 in words is "one hundred forty-three billion, four hundred twenty-one million, four hundred one thousand, two hundred thirty-one".