100245143320123 has 2 divisors, whose sum is σ = 100245143320124. Its totient is φ = 100245143320122.

The previous prime is 100245143320111. The next prime is 100245143320141. The reversal of 100245143320123 is 321023341542001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100245143320123 - 2¹³ = 100245143311931 is a prime.

It is not a weakly prime, because it can be changed into another prime (100245143320423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50122571660061 + 50122571660062.

It is an arithmetic number, because the mean of its divisors is an integer number (50122571660062).

Almost surely, 2^{100245143320123} is an apocalyptic number.

100245143320123 is a deficient number, since it is larger than the sum of its proper divisors (1).

100245143320123 is an equidigital number, since it uses as much as digits as its factorization.

100245143320123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 100245143320123 its reverse (321023341542001), we get a palindrome (421268484862124).

The spelling of 100245143320123 in words is "one hundred trillion, two hundred forty-five billion, one hundred forty-three million, three hundred twenty thousand, one hundred twenty-three".