101320123243 has 2 divisors, whose sum is σ = 101320123244. Its totient is φ = 101320123242.

The previous prime is 101320123231. The next prime is 101320123249. The reversal of 101320123243 is 342321023101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101320123243 - 2¹⁷ = 101319992171 is a prime.

It is not a weakly prime, because it can be changed into another prime (101320123249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660061621 + 50660061622.

It is an arithmetic number, because the mean of its divisors is an integer number (50660061622).

Almost surely, 2^101320123243 is an apocalyptic number.

101320123243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320123243 is an equidigital number, since it uses as much as digits as its factorization.

101320123243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 101320123243 its reverse (342321023101), we get a palindrome (443641146344).

The spelling of 101320123243 in words is "one hundred one billion, three hundred twenty million, one hundred twenty-three thousand, two hundred forty-three".