101823843547 has 2 divisors, whose sum is σ = 101823843548. Its totient is φ = 101823843546.

The previous prime is 101823843509. The next prime is 101823843577. The reversal of 101823843547 is 745348328101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101823843547 - 2³¹ = 99676359899 is a prime.

It is a super-2 number, since 2×101823843547² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101823843497 and 101823843506.

It is not a weakly prime, because it can be changed into another prime (101823843577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50911921773 + 50911921774.

It is an arithmetic number, because the mean of its divisors is an integer number (50911921774).

Almost surely, 2^101823843547 is an apocalyptic number.

101823843547 is a deficient number, since it is larger than the sum of its proper divisors (1).

101823843547 is an equidigital number, since it uses as much as digits as its factorization.

101823843547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 101823843547 in words is "one hundred one billion, eight hundred twenty-three million, eight hundred forty-three thousand, five hundred forty-seven".