106623631 has 2 divisors, whose sum is σ = 106623632. Its totient is φ = 106623630.

The previous prime is 106623623. The next prime is 106623637. The reversal of 106623631 is 136326601.

It is a strong prime.

It is an emirp because it is prime and its reverse (136326601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106623631 - 2³ = 106623623 is a prime.

It is a super-2 number, since 2×106623631² = 22737197375248322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106623631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106623637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53311815 + 53311816.

It is an arithmetic number, because the mean of its divisors is an integer number (53311816).

Almost surely, 2^106623631 is an apocalyptic number.

106623631 is a deficient number, since it is larger than the sum of its proper divisors (1).

106623631 is an equidigital number, since it uses as much as digits as its factorization.

106623631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 106623631 is about 10325.8719244430. The cubic root of 106623631 is about 474.1886514880.

The spelling of 106623631 in words is "one hundred six million, six hundred twenty-three thousand, six hundred thirty-one".