23403753 has 6 divisors (see below), whose sum is σ = 33805434. Its totient is φ = 15602496.

The previous prime is 23403749. The next prime is 23403767. The reversal of 23403753 is 35730432.

It can be written as a sum of positive squares in only one way, i.e., 19820304 + 3583449 = 4452^2 + 1893^2 .

It is not a de Polignac number, because 23403753 - 2² = 23403749 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23403733) 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 5 ways as a sum of consecutive naturals, for example, 1300200 + ... + 1300217.

It is an arithmetic number, because the mean of its divisors is an integer number (5634239).

Almost surely, 2^23403753 is an apocalyptic number.

It is an amenable number.

23403753 is a deficient number, since it is larger than the sum of its proper divisors (10401681).

23403753 is a wasteful number, since it uses less digits than its factorization.

23403753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600423 (or 2600420 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 23403753 is about 4837.7425520588. The cubic root of 23403753 is about 286.0411411629.

The spelling of 23403753 in words is "twenty-three million, four hundred three thousand, seven hundred fifty-three".