10243203040123 has 2 divisors, whose sum is σ = 10243203040124. Its totient is φ = 10243203040122.

The previous prime is 10243203040099. The next prime is 10243203040141. The reversal of 10243203040123 is 32104030234201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243203040123 is a prime.

It is not a weakly prime, because it can be changed into another prime (10243203040153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121601520061 + 5121601520062.

It is an arithmetic number, because the mean of its divisors is an integer number (5121601520062).

Almost surely, 2^{10243203040123} is an apocalyptic number.

10243203040123 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243203040123 is an equidigital number, since it uses as much as digits as its factorization.

10243203040123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 10243203040123 its reverse (32104030234201), we get a palindrome (42347233274324).

The spelling of 10243203040123 in words is "ten trillion, two hundred forty-three billion, two hundred three million, forty thousand, one hundred twenty-three".