106438823 has 2 divisors, whose sum is σ = 106438824. Its totient is φ = 106438822.

The previous prime is 106438807. The next prime is 106438831. The reversal of 106438823 is 328834601.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (328834601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106438823 - 2⁴ = 106438807 is a prime.

It is a super-2 number, since 2×106438823² = 22658446083250658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106438873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53219411 + 53219412.

It is an arithmetic number, because the mean of its divisors is an integer number (53219412).

Almost surely, 2^106438823 is an apocalyptic number.

106438823 is a deficient number, since it is larger than the sum of its proper divisors (1).

106438823 is an equidigital number, since it uses as much as digits as its factorization.

106438823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 106438823 is about 10316.9192591587. The cubic root of 106438823 is about 473.9145267139.

The spelling of 106438823 in words is "one hundred six million, four hundred thirty-eight thousand, eight hundred twenty-three".