23006603 has 2 divisors, whose sum is σ = 23006604. Its totient is φ = 23006602.

The previous prime is 23006579. The next prime is 23006609. The reversal of 23006603 is 30660032.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23006603 - 2¹⁸ = 22744459 is a prime.

It is not a weakly prime, because it can be changed into another prime (23006609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11503301 + 11503302.

It is an arithmetic number, because the mean of its divisors is an integer number (11503302).

Almost surely, 2^23006603 is an apocalyptic number.

23006603 is a deficient number, since it is larger than the sum of its proper divisors (1).

23006603 is an equidigital number, since it uses as much as digits as its factorization.

23006603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 23006603 is about 4796.5198842494. The cubic root of 23006603 is about 284.4139099518.

Adding to 23006603 its reverse (30660032), we get a palindrome (53666635).

The spelling of 23006603 in words is "twenty-three million, six thousand, six hundred three".