101866453823 has 2 divisors, whose sum is σ = 101866453824. Its totient is φ = 101866453822.

The previous prime is 101866453807. The next prime is 101866453841. The reversal of 101866453823 is 328354668101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101866453823 - 2⁴ = 101866453807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101866453523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50933226911 + 50933226912.

It is an arithmetic number, because the mean of its divisors is an integer number (50933226912).

Almost surely, 2^101866453823 is an apocalyptic number.

101866453823 is a deficient number, since it is larger than the sum of its proper divisors (1).

101866453823 is an equidigital number, since it uses as much as digits as its factorization.

101866453823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 101866453823 in words is "one hundred one billion, eight hundred sixty-six million, four hundred fifty-three thousand, eight hundred twenty-three".