143023664636 has 6 divisors (see below), whose sum is σ = 250291413120. Its totient is φ = 71511832316.

The previous prime is 143023664633. The next prime is 143023664657. The reversal of 143023664636 is 636466320341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143023664633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17877958076 + ... + 17877958083.

It is an arithmetic number, because the mean of its divisors is an integer number (41715235520).

Almost surely, 2^143023664636 is an apocalyptic number.

It is an amenable number.

143023664636 is a deficient number, since it is larger than the sum of its proper divisors (107267748484).

143023664636 is a wasteful number, since it uses less digits than its factorization.

143023664636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35755916163 (or 35755916161 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 143023664636 its reverse (636466320341), we get a palindrome (779489984977).

The spelling of 143023664636 in words is "one hundred forty-three billion, twenty-three million, six hundred sixty-four thousand, six hundred thirty-six".