23236320 has 48 divisors (see below), whose sum is σ = 73195920. Its totient is φ = 6196224.

The previous prime is 23236309. The next prime is 23236321. The reversal of 23236320 is 2363232.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23236321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23725 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (1524915).

Almost surely, 2^23236320 is an apocalyptic number.

23236320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23236320 is an abundant number, since it is smaller than the sum of its proper divisors (49959600).

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

23236320 is a wasteful number, since it uses less digits than its factorization.

23236320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48427 (or 48419 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 23236320 is about 4820.4066218526. The cubic root of 23236320 is about 285.3573848380.

Adding to 23236320 its reverse (2363232), we get a palindrome (25599552).

The spelling of 23236320 in words is "twenty-three million, two hundred thirty-six thousand, three hundred twenty".