10203145124043 has 4 divisors (see below), whose sum is σ = 13604193498728. Its totient is φ = 6802096749360.

The previous prime is 10203145124023. The next prime is 10203145124089. The reversal of 10203145124043 is 34042154130201.

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

It is not a de Polignac number, because 10203145124043 - 2⁹ = 10203145123531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203145124043.

It is not an unprimeable number, because it can be changed into a prime (10203145124023) 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, 1700524187338 + ... + 1700524187343.

It is an arithmetic number, because the mean of its divisors is an integer number (3401048374682).

Almost surely, 2^{10203145124043} is an apocalyptic number.

10203145124043 is a deficient number, since it is larger than the sum of its proper divisors (3401048374685).

10203145124043 is an equidigital number, since it uses as much as digits as its factorization.

10203145124043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401048374684.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10203145124043 its reverse (34042154130201), we get a palindrome (44245299254244).

The spelling of 10203145124043 in words is "ten trillion, two hundred three billion, one hundred forty-five million, one hundred twenty-four thousand, forty-three".