106423631 has 2 divisors, whose sum is σ = 106423632. Its totient is φ = 106423630.

The previous prime is 106423627. The next prime is 106423637. The reversal of 106423631 is 136324601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106423631 - 2² = 106423627 is a prime.

It is a super-2 number, since 2×106423631² = 22651978470448322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106423631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106423637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53211815 + 53211816.

It is an arithmetic number, because the mean of its divisors is an integer number (53211816).

Almost surely, 2^106423631 is an apocalyptic number.

106423631 is a deficient number, since it is larger than the sum of its proper divisors (1).

106423631 is an equidigital number, since it uses as much as digits as its factorization.

106423631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 106423631 is about 10316.1829665822. The cubic root of 106423631 is about 473.8919783873.

The spelling of 106423631 in words is "one hundred six million, four hundred twenty-three thousand, six hundred thirty-one".