10144523321 has 32 divisors (see below), whose sum is σ = 10986856320. Its totient is φ = 9347788800.

The previous prime is 10144523293. The next prime is 10144523327. The reversal of 10144523321 is 12332544101.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10144523321 is a prime.

It is a super-2 number, since 2×10144523321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10144523327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14680586 + ... + 14681276.

It is an arithmetic number, because the mean of its divisors is an integer number (343339260).

Almost surely, 2^10144523321 is an apocalyptic number.

It is an amenable number.

10144523321 is a deficient number, since it is larger than the sum of its proper divisors (842332999).

10144523321 is a wasteful number, since it uses less digits than its factorization.

10144523321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 10144523321 in words is "ten billion, one hundred forty-four million, five hundred twenty-three thousand, three hundred twenty-one".