8406123 has 8 divisors (see below), whose sum is σ = 12227136. Its totient is φ = 5094600.

The previous prime is 8406103. The next prime is 8406127. The reversal of 8406123 is 3216048.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8406123 - 2⁶ = 8406059 is a prime.

It is a super-2 number, since 2×8406123² = 141325807782258, which contains 22 as substring.

8406123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8406093 and 8406102.

It is not an unprimeable number, because it can be changed into a prime (8406127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127333 + ... + 127398.

It is an arithmetic number, because the mean of its divisors is an integer number (1528392).

Almost surely, 2^8406123 is an apocalyptic number.

8406123 is a deficient number, since it is larger than the sum of its proper divisors (3821013).

8406123 is a wasteful number, since it uses less digits than its factorization.

8406123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254745.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 8406123 is about 2899.3314746679. The cubic root of 8406123 is about 203.3286513897.

The spelling of 8406123 in words is "eight million, four hundred six thousand, one hundred twenty-three".