143211234040 has 128 divisors (see below), whose sum is σ = 371226240000. Its totient is φ = 48706541568.

The previous prime is 143211234017. The next prime is 143211234053. The reversal of 143211234040 is 40432112341.

It is a junction number, because it is equal to n+sod(n) for n = 143211233996 and 143211234014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21698661 + ... + 21705259.

It is an arithmetic number, because the mean of its divisors is an integer number (2900205000).

Almost surely, 2^143211234040 is an apocalyptic number.

143211234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143211234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185613120000).

143211234040 is an abundant number, since it is smaller than the sum of its proper divisors (228015005960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143211234040 is a wasteful number, since it uses less digits than its factorization.

143211234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229 (or 7225 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 143211234040 its reverse (40432112341), we get a palindrome (183643346381).

The spelling of 143211234040 in words is "one hundred forty-three billion, two hundred eleven million, two hundred thirty-four thousand, forty".