340103323453 has 4 divisors (see below), whose sum is σ = 341628450688. Its totient is φ = 338578196220.

The previous prime is 340103323447. The next prime is 340103323471. The reversal of 340103323453 is 354323301043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340103323453 - 2⁵ = 340103323421 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 (340103353453) 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, 762563283 + ... + 762563728.

It is an arithmetic number, because the mean of its divisors is an integer number (85407112672).

Almost surely, 2^340103323453 is an apocalyptic number.

It is an amenable number.

340103323453 is a deficient number, since it is larger than the sum of its proper divisors (1525127235).

340103323453 is a wasteful number, since it uses less digits than its factorization.

340103323453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525127234.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 340103323453 its reverse (354323301043), we get a palindrome (694426624496).

The spelling of 340103323453 in words is "three hundred forty billion, one hundred three million, three hundred twenty-three thousand, four hundred fifty-three".