10243245355403 has 4 divisors (see below), whose sum is σ = 10269990121728. Its totient is φ = 10216500589080.

The previous prime is 10243245355393. The next prime is 10243245355417. The reversal of 10243245355403 is 30455354234201.

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 10243245355403 - 2¹⁸ = 10243245093259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243245351403) 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, 13372382588 + ... + 13372383353.

It is an arithmetic number, because the mean of its divisors is an integer number (2567497530432).

Almost surely, 2^{10243245355403} is an apocalyptic number.

10243245355403 is a deficient number, since it is larger than the sum of its proper divisors (26744766325).

10243245355403 is an equidigital number, since it uses as much as digits as its factorization.

10243245355403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26744766324.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 10243245355403 its reverse (30455354234201), we get a palindrome (40698599589604).

The spelling of 10243245355403 in words is "ten trillion, two hundred forty-three billion, two hundred forty-five million, three hundred fifty-five thousand, four hundred three".