23409603 has 36 divisors (see below), whose sum is σ = 39776880. Its totient is φ = 13226976.

The previous prime is 23409593. The next prime is 23409613. The reversal of 23409603 is 30690432.

It is an interprime number because it is at equal distance from previous prime (23409593) and next prime (23409613).

It is not a de Polignac number, because 23409603 - 2⁹ = 23409091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23409613) 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 35 ways as a sum of consecutive naturals, for example, 47826 + ... + 48312.

Almost surely, 2^23409603 is an apocalyptic number.

23409603 is a deficient number, since it is larger than the sum of its proper divisors (16367277).

23409603 is a wasteful number, since it uses less digits than its factorization.

23409603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 23409603 is about 4838.3471351279. The cubic root of 23409603 is about 286.0649721168.

The spelling of 23409603 in words is "twenty-three million, four hundred nine thousand, six hundred three".