23403117 has 16 divisors (see below), whose sum is σ = 33408000. Its totient is φ = 14528304.

The previous prime is 23403097. The next prime is 23403131. The reversal of 23403117 is 71130432.

It is not a de Polignac number, because 23403117 - 2¹⁵ = 23370349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23403093 and 23403102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23407117) 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 15 ways as a sum of consecutive naturals, for example, 117 + ... + 6842.

It is an arithmetic number, because the mean of its divisors is an integer number (2088000).

Almost surely, 2^23403117 is an apocalyptic number.

It is an amenable number.

23403117 is a deficient number, since it is larger than the sum of its proper divisors (10004883).

23403117 is a wasteful number, since it uses less digits than its factorization.

23403117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040.

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

The square root of 23403117 is about 4837.6768184739. The cubic root of 23403117 is about 286.0385500712.

Adding to 23403117 its reverse (71130432), we get a palindrome (94533549).

The spelling of 23403117 in words is "twenty-three million, four hundred three thousand, one hundred seventeen".