101397843 has 24 divisors (see below), whose sum is σ = 157060800. Its totient is φ = 62809344.

The previous prime is 101397817. The next prime is 101397853. The reversal of 101397843 is 348793101.

It is a happy number.

It is not a de Polignac number, because 101397843 - 2¹⁰ = 101396819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101397798 and 101397807.

It is not an unprimeable number, because it can be changed into a prime (101397853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7893 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (6544200).

Almost surely, 2^101397843 is an apocalyptic number.

101397843 is a deficient number, since it is larger than the sum of its proper divisors (55662957).

101397843 is a wasteful number, since it uses less digits than its factorization.

101397843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8491 (or 8488 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 101397843 is about 10069.6495966841. The cubic root of 101397843 is about 466.3116211588.

The spelling of 101397843 in words is "one hundred one million, three hundred ninety-seven thousand, eight hundred forty-three".