10143440233421 has 32 divisors (see below), whose sum is σ = 11263256205696. Its totient is φ = 9058089600000.

The previous prime is 10143440233411. The next prime is 10143440233441. The reversal of 10143440233421 is 12433204434101.

It is a cyclic number.

It is not a de Polignac number, because 10143440233421 - 2⁶ = 10143440233357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143440233411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274106306 + ... + 274143308.

It is an arithmetic number, because the mean of its divisors is an integer number (351976756428).

Almost surely, 2^{10143440233421} is an apocalyptic number.

10143440233421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10143440233421 is a deficient number, since it is larger than the sum of its proper divisors (1119815972275).

10143440233421 is a wasteful number, since it uses less digits than its factorization.

10143440233421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39053.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 10143440233421 its reverse (12433204434101), we get a palindrome (22576644667522).

The spelling of 10143440233421 in words is "ten trillion, one hundred forty-three billion, four hundred forty million, two hundred thirty-three thousand, four hundred twenty-one".