106123287 has 4 divisors (see below), whose sum is σ = 141497720. Its totient is φ = 70748856.

The previous prime is 106123249. The next prime is 106123291. The reversal of 106123287 is 782321601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 782321601 = 3 ⋅260773867.

It is not a de Polignac number, because 106123287 - 2⁶ = 106123223 is a prime.

It is a super-2 number, since 2×106123287² = 22524304087368738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106123207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17687212 + ... + 17687217.

It is an arithmetic number, because the mean of its divisors is an integer number (35374430).

Almost surely, 2^106123287 is an apocalyptic number.

106123287 is a deficient number, since it is larger than the sum of its proper divisors (35374433).

106123287 is an equidigital number, since it uses as much as digits as its factorization.

106123287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35374432.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 106123287 is about 10301.6157470564. The cubic root of 106123287 is about 473.4457594590.

Adding to 106123287 its reverse (782321601), we get a palindrome (888444888).

The spelling of 106123287 in words is "one hundred six million, one hundred twenty-three thousand, two hundred eighty-seven".