143423234131 has 4 divisors (see below), whose sum is σ = 146474792352. Its totient is φ = 140371675912.

The previous prime is 143423234117. The next prime is 143423234167. The reversal of 143423234131 is 131432324341.

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

It is a cyclic number.

It is not a de Polignac number, because 143423234131 - 2²¹ = 143421136979 is a prime.

It is a super-2 number, since 2×143423234131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143423234093 and 143423234102.

It is not an unprimeable number, because it can be changed into a prime (143423234191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1525779040 + ... + 1525779133.

It is an arithmetic number, because the mean of its divisors is an integer number (36618698088).

Almost surely, 2^143423234131 is an apocalyptic number.

143423234131 is a deficient number, since it is larger than the sum of its proper divisors (3051558221).

143423234131 is an equidigital number, since it uses as much as digits as its factorization.

143423234131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3051558220.

The product of its digits is 20736, while the sum is 31.

Adding to 143423234131 its reverse (131432324341), we get a palindrome (274855558472).

The spelling of 143423234131 in words is "one hundred forty-three billion, four hundred twenty-three million, two hundred thirty-four thousand, one hundred thirty-one".