8423123 has 4 divisors (see below), whose sum is σ = 8436528. Its totient is φ = 8409720.

The previous prime is 8423117. The next prime is 8423153. The reversal of 8423123 is 3213248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8423123 - 2⁸ = 8422867 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁴ + 2⁵ + 3⁶ + 1 + 2²³ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8423113) 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, 5711 + ... + 7032.

It is an arithmetic number, because the mean of its divisors is an integer number (2109132).

Almost surely, 2^8423123 is an apocalyptic number.

8423123 is a deficient number, since it is larger than the sum of its proper divisors (13405).

8423123 is a wasteful number, since it uses less digits than its factorization.

8423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404.

The product of its digits is 1152, while the sum is 23.

The square root of 8423123 is about 2902.2617042576. The cubic root of 8423123 is about 203.4656253376.

The spelling of 8423123 in words is "eight million, four hundred twenty-three thousand, one hundred twenty-three".