23303530 has 32 divisors (see below), whose sum is σ = 43856640. Its totient is φ = 8904000.

The previous prime is 23303513. The next prime is 23303543. The reversal of 23303530 is 3530332.

It is a junction number, because it is equal to n+sod(n) for n = 23303498 and 23303507.

It is an unprimeable number.

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, 30655 + ... + 31405.

It is an arithmetic number, because the mean of its divisors is an integer number (1370520).

Almost surely, 2^23303530 is an apocalyptic number.

23303530 is a deficient number, since it is larger than the sum of its proper divisors (20553110).

23303530 is a wasteful number, since it uses less digits than its factorization.

23303530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 23303530 is about 4827.3729915970. The cubic root of 23303530 is about 285.6322477560.

Adding to 23303530 its reverse (3530332), we get a palindrome (26833862).

The spelling of 23303530 in words is "twenty-three million, three hundred three thousand, five hundred thirty".