101856373 has 2 divisors, whose sum is σ = 101856374. Its totient is φ = 101856372.

The previous prime is 101856371. The next prime is 101856383. The reversal of 101856373 is 373658101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 23746129 = 8838^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 101856373 - 2¹ = 101856371 is a prime.

Together with 101856371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101856371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50928186 + 50928187.

It is an arithmetic number, because the mean of its divisors is an integer number (50928187).

Almost surely, 2^101856373 is an apocalyptic number.

It is an amenable number.

101856373 is a deficient number, since it is larger than the sum of its proper divisors (1).

101856373 is an equidigital number, since it uses as much as digits as its factorization.

101856373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 101856373 is about 10092.3918374189. The cubic root of 101856373 is about 467.0134650624.

The spelling of 101856373 in words is "one hundred one million, eight hundred fifty-six thousand, three hundred seventy-three".