10440321023 has 8 divisors (see below), whose sum is σ = 11884634496. Its totient is φ = 9078539800.

The previous prime is 10440320971. The next prime is 10440321037. The reversal of 10440321023 is 32012304401.

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

It is not a de Polignac number, because 10440321023 - 2²⁰ = 10439272447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10440320986 and 10440321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440324023) 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, 20632793 + ... + 20633298.

It is an arithmetic number, because the mean of its divisors is an integer number (1485579312).

Almost surely, 2^10440321023 is an apocalyptic number.

10440321023 is a deficient number, since it is larger than the sum of its proper divisors (1444313473).

10440321023 is a wasteful number, since it uses less digits than its factorization.

10440321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41266125.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10440321023 its reverse (32012304401), we get a palindrome (42452625424).

The spelling of 10440321023 in words is "ten billion, four hundred forty million, three hundred twenty-one thousand, twenty-three".