10143023121 has 32 divisors (see below), whose sum is σ = 18734592000. Its totient is φ = 5269101840.

The previous prime is 10143023117. The next prime is 10143023129. The reversal of 10143023121 is 12132034101.

10143023121 is a `hidden beast` number, since 1 + 0 + 1 + 430 + 231 + 2 + 1 = 666.

It is not a de Polignac number, because 10143023121 - 2² = 10143023117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10143023094 and 10143023103.

It is not an unprimeable number, because it can be changed into a prime (10143023129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2437321 + ... + 2441478.

It is an arithmetic number, because the mean of its divisors is an integer number (585456000).

Almost surely, 2^10143023121 is an apocalyptic number.

10143023121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10143023121 is a deficient number, since it is larger than the sum of its proper divisors (8591568879).

10143023121 is a wasteful number, since it uses less digits than its factorization.

10143023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878826 (or 4878820 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 10143023121 its reverse (12132034101), we get a palindrome (22275057222).

The spelling of 10143023121 in words is "ten billion, one hundred forty-three million, twenty-three thousand, one hundred twenty-one".