1440322113023 has 4 divisors (see below), whose sum is σ = 1446298553568. Its totient is φ = 1434345672480.

The previous prime is 1440322113017. The next prime is 1440322113029. The reversal of 1440322113023 is 3203112230441.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1440322113017) and next prime (1440322113029).

It is a cyclic number.

It is not a de Polignac number, because 1440322113023 - 2¹⁸ = 1440321850879 is a prime.

It is a super-5 number, since 5×1440322113023⁵ (a number of 62 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440322112983 and 1440322113001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440322113029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2988219911 + ... + 2988220392.

It is an arithmetic number, because the mean of its divisors is an integer number (361574638392).

Almost surely, 2^{1440322113023} is an apocalyptic number.

1440322113023 is a deficient number, since it is larger than the sum of its proper divisors (5976440545).

1440322113023 is an equidigital number, since it uses as much as digits as its factorization.

1440322113023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976440544.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1440322113023 its reverse (3203112230441), we get a palindrome (4643434343464).

The spelling of 1440322113023 in words is "one trillion, four hundred forty billion, three hundred twenty-two million, one hundred thirteen thousand, twenty-three".