23306144 has 12 divisors (see below), whose sum is σ = 45884034. Its totient is φ = 11653056.

The previous prime is 23306131. The next prime is 23306149. The reversal of 23306144 is 44160332.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 6822544 = 4060^2 + 2612^2 .

It is not an unprimeable number, because it can be changed into a prime (23306149) 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, 364127 + ... + 364190.

Almost surely, 2^23306144 is an apocalyptic number.

It is an amenable number.

23306144 is a deficient number, since it is larger than the sum of its proper divisors (22577890).

23306144 is an equidigital number, since it uses as much as digits as its factorization.

23306144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728327 (or 728319 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23306144 is about 4827.6437316770. The cubic root of 23306144 is about 285.6429273223.

Adding to 23306144 its reverse (44160332), we get a palindrome (67466476).

The spelling of 23306144 in words is "twenty-three million, three hundred six thousand, one hundred forty-four".