340563655103203 has 4 divisors (see below), whose sum is σ = 389215605832240. Its totient is φ = 291911704374168.

The previous prime is 340563655103183. The next prime is 340563655103237. The reversal of 340563655103203 is 302301556365043.

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 340563655103203 - 2¹³ = 340563655095011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340563655103803) 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, 24325975364508 + ... + 24325975364521.

It is an arithmetic number, because the mean of its divisors is an integer number (97303901458060).

Almost surely, 2^{340563655103203} is an apocalyptic number.

340563655103203 is a deficient number, since it is larger than the sum of its proper divisors (48651950729037).

340563655103203 is an equidigital number, since it uses as much as digits as its factorization.

340563655103203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48651950729036.

The product of its (nonzero) digits is 2916000, while the sum is 46.

The spelling of 340563655103203 in words is "three hundred forty trillion, five hundred sixty-three billion, six hundred fifty-five million, one hundred three thousand, two hundred three".