9172623 has 4 divisors (see below), whose sum is σ = 12230168. Its totient is φ = 6115080.

The previous prime is 9172609. The next prime is 9172637. The reversal of 9172623 is 3262719.

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

It is an interprime number because it is at equal distance from previous prime (9172609) and next prime (9172637).

It is not a de Polignac number, because 9172623 - 2⁵ = 9172591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172663) 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, 1528768 + ... + 1528773.

It is an arithmetic number, because the mean of its divisors is an integer number (3057542).

Almost surely, 2^9172623 is an apocalyptic number.

9172623 is a deficient number, since it is larger than the sum of its proper divisors (3057545).

9172623 is a wasteful number, since it uses less digits than its factorization.

9172623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057544.

The product of its digits is 4536, while the sum is 30.

The square root of 9172623 is about 3028.6338504349. The cubic root of 9172623 is about 209.3298592222.

The spelling of 9172623 in words is "nine million, one hundred seventy-two thousand, six hundred twenty-three".