23280746 has 8 divisors (see below), whose sum is σ = 34944420. Its totient is φ = 11632608.

The previous prime is 23280737. The next prime is 23280749. The reversal of 23280746 is 64708232.

It can be written as a sum of positive squares in 2 ways, for example, as 23280625 + 121 = 4825^2 + 11^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23280749) 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 in 3 ways as a sum of consecutive naturals, for example, 1190 + ... + 6926.

Almost surely, 2^23280746 is an apocalyptic number.

23280746 is a deficient number, since it is larger than the sum of its proper divisors (11663674).

23280746 is a wasteful number, since it uses less digits than its factorization.

23280746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 23280746 is about 4825.0125388438. The cubic root of 23280746 is about 285.5391292856.

Adding to 23280746 its reverse (64708232), we get a palindrome (87988978).

The spelling of 23280746 in words is "twenty-three million, two hundred eighty thousand, seven hundred forty-six".