10143420321 has 8 divisors (see below), whose sum is σ = 13580679904. Its totient is φ = 6734220480.

The previous prime is 10143420293. The next prime is 10143420323. The reversal of 10143420321 is 12302434101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10143420321 - 2⁶ = 10143420257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10143420323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7014091 + ... + 7015536.

It is an arithmetic number, because the mean of its divisors is an integer number (1697584988).

Almost surely, 2^10143420321 is an apocalyptic number.

It is an amenable number.

10143420321 is a deficient number, since it is larger than the sum of its proper divisors (3437259583).

10143420321 is a wasteful number, since it uses less digits than its factorization.

10143420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14029871.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10143420321 its reverse (12302434101), we get a palindrome (22445854422).

The spelling of 10143420321 in words is "ten billion, one hundred forty-three million, four hundred twenty thousand, three hundred twenty-one".