23309252 has 12 divisors (see below), whose sum is σ = 40943616. Its totient is φ = 11611080.

The previous prime is 23309249. The next prime is 23309263. The reversal of 23309252 is 25290332.

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 3 ways as a sum of consecutive naturals, for example, 9668 + ... + 11835.

It is an arithmetic number, because the mean of its divisors is an integer number (3411968).

Almost surely, 2^23309252 is an apocalyptic number.

It is an amenable number.

23309252 is a deficient number, since it is larger than the sum of its proper divisors (17634364).

23309252 is a wasteful number, since it uses less digits than its factorization.

23309252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21778 (or 21776 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23309252 is about 4827.9656171104. The cubic root of 23309252 is about 285.6556240995.

Adding to 23309252 its reverse (25290332), we get a palindrome (48599584).

The spelling of 23309252 in words is "twenty-three million, three hundred nine thousand, two hundred fifty-two".