9623423 has 4 divisors (see below), whose sum is σ = 9933888. Its totient is φ = 9312960.

The previous prime is 9623413. The next prime is 9623437. The reversal of 9623423 is 3243269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243269 = 67 ⋅48407.

It is a cyclic number.

It is not a de Polignac number, because 9623423 - 2⁸ = 9623167 is a prime.

It is a super-2 number, since 2×9623423² = 185220540473858, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁴ + 6³ + 2⁷ + 3⁷ + 4¹⁰ + 2²³ + 3¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9623413) 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, 155186 + ... + 155247.

It is an arithmetic number, because the mean of its divisors is an integer number (2483472).

Almost surely, 2^9623423 is an apocalyptic number.

9623423 is a deficient number, since it is larger than the sum of its proper divisors (310465).

9623423 is a wasteful number, since it uses less digits than its factorization.

9623423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310464.

The product of its digits is 7776, while the sum is 29.

The square root of 9623423 is about 3102.1642445235. The cubic root of 9623423 is about 212.7044251944.

The spelling of 9623423 in words is "nine million, six hundred twenty-three thousand, four hundred twenty-three".