9623431 has 4 divisors (see below), whose sum is σ = 9786600. Its totient is φ = 9460264.

The previous prime is 9623413. The next prime is 9623437. The reversal of 9623431 is 1343269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343269 = 23 ⋅58403.

It is a cyclic number.

It is not a de Polignac number, because 9623431 - 2⁵ = 9623399 is a prime.

It is a super-2 number, since 2×9623431² = 185220848423522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9623431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9623437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81496 + ... + 81613.

It is an arithmetic number, because the mean of its divisors is an integer number (2446650).

Almost surely, 2^9623431 is an apocalyptic number.

9623431 is a deficient number, since it is larger than the sum of its proper divisors (163169).

9623431 is a wasteful number, since it uses less digits than its factorization.

9623431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163168.

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

The square root of 9623431 is about 3102.1655339456. The cubic root of 9623431 is about 212.7044841351.

The spelling of 9623431 in words is "nine million, six hundred twenty-three thousand, four hundred thirty-one".