23117403 has 8 divisors (see below), whose sum is σ = 30888448. Its totient is φ = 15378984.

The previous prime is 23117401. The next prime is 23117417. The reversal of 23117403 is 30471132.

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

It is not a de Polignac number, because 23117403 - 2¹ = 23117401 is a prime.

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 23117403.

It is not an unprimeable number, because it can be changed into a prime (23117401) 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, 6451 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (3861056).

Almost surely, 2^23117403 is an apocalyptic number.

23117403 is a deficient number, since it is larger than the sum of its proper divisors (7771045).

23117403 is a wasteful number, since it uses less digits than its factorization.

23117403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16313.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23117403 is about 4808.0560520859. The cubic root of 23117403 is about 284.8697588963.

Adding to 23117403 its reverse (30471132), we get a palindrome (53588535).

The spelling of 23117403 in words is "twenty-three million, one hundred seventeen thousand, four hundred three".