23303516 has 6 divisors (see below), whose sum is σ = 40781160. Its totient is φ = 11651756.

The previous prime is 23303513. The next prime is 23303543. The reversal of 23303516 is 61530332.

It is a junction number, because it is equal to n+sod(n) for n = 23303491 and 23303500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303513) 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 as a sum of consecutive naturals, namely, 2912936 + ... + 2912943.

It is an arithmetic number, because the mean of its divisors is an integer number (6796860).

Almost surely, 2^23303516 is an apocalyptic number.

It is an amenable number.

23303516 is a deficient number, since it is larger than the sum of its proper divisors (17477644).

23303516 is a wasteful number, since it uses less digits than its factorization.

23303516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825883 (or 5825881 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 23303516 is about 4827.3715415327. The cubic root of 23303516 is about 285.6321905565.

Adding to 23303516 its reverse (61530332), we get a palindrome (84833848).

The spelling of 23303516 in words is "twenty-three million, three hundred three thousand, five hundred sixteen".