23516423 has 32 divisors (see below), whose sum is σ = 30096000. Its totient is φ = 18289152.

The previous prime is 23516417. The next prime is 23516443. The reversal of 23516423 is 32461532.

It is not a de Polignac number, because 23516423 - 2¹⁰ = 23515399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23516392 and 23516401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23516413) 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 31 ways as a sum of consecutive naturals, for example, 215693 + ... + 215801.

It is an arithmetic number, because the mean of its divisors is an integer number (940500).

Almost surely, 2^23516423 is an apocalyptic number.

23516423 is a deficient number, since it is larger than the sum of its proper divisors (6579577).

23516423 is a wasteful number, since it uses less digits than its factorization.

23516423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 170 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 23516423 is about 4849.3734646859. The cubic root of 23516423 is about 286.4994248644.

Adding to 23516423 its reverse (32461532), we get a palindrome (55977955).

The spelling of 23516423 in words is "twenty-three million, five hundred sixteen thousand, four hundred twenty-three".