143423213221192 has 64 divisors (see below), whose sum is σ = 275401193039280. Its totient is φ = 69996855032832.

The previous prime is 143423213221151. The next prime is 143423213221193. The reversal of 143423213221192 is 291122312324341.

It can be written as a sum of positive squares in 8 ways, for example, as 137458413238756 + 5964799982436 = 11724266^2 + 2442294^2 .

It is not an unprimeable number, because it can be changed into a prime (143423213221193) 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, 1537954438 + ... + 1538047690.

Almost surely, 2^{143423213221192} is an apocalyptic number.

It is an amenable number.

143423213221192 is a deficient number, since it is larger than the sum of its proper divisors (131977979818088).

143423213221192 is a wasteful number, since it uses less digits than its factorization.

143423213221192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111922 (or 111918 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The spelling of 143423213221192 in words is "one hundred forty-three trillion, four hundred twenty-three billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred ninety-two".