1440120103343 has 4 divisors (see below), whose sum is σ = 1440448078608. Its totient is φ = 1439792128080.

The previous prime is 1440120103333. The next prime is 1440120103379. The reversal of 1440120103343 is 3433010210441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1440120103343 - 2⁸ = 1440120103087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440120103333) 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, 163981046 + ... + 163989827.

It is an arithmetic number, because the mean of its divisors is an integer number (360112019652).

Almost surely, 2^{1440120103343} is an apocalyptic number.

1440120103343 is a deficient number, since it is larger than the sum of its proper divisors (327975265).

1440120103343 is an equidigital number, since it uses as much as digits as its factorization.

1440120103343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327975264.

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

Adding to 1440120103343 its reverse (3433010210441), we get a palindrome (4873130313784).

The spelling of 1440120103343 in words is "one trillion, four hundred forty billion, one hundred twenty million, one hundred three thousand, three hundred forty-three".