23320264 has 16 divisors (see below), whose sum is σ = 47700720. Its totient is φ = 10600080.

The previous prime is 23320259. The next prime is 23320279. The reversal of 23320264 is 46202332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 132414 + ... + 132589.

It is an arithmetic number, because the mean of its divisors is an integer number (2981295).

Almost surely, 2^23320264 is an apocalyptic number.

It is an amenable number.

23320264 is an abundant number, since it is smaller than the sum of its proper divisors (24380456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23320264 is a wasteful number, since it uses less digits than its factorization.

23320264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265020 (or 265016 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 23320264 is about 4829.1059213896. The cubic root of 23320264 is about 285.7006011541.

Adding to 23320264 its reverse (46202332), we get a palindrome (69522596).

The spelling of 23320264 in words is "twenty-three million, three hundred twenty thousand, two hundred sixty-four".