23240663 has 2 divisors, whose sum is σ = 23240664. Its totient is φ = 23240662.

The previous prime is 23240641. The next prime is 23240671. The reversal of 23240663 is 36604232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23240663 - 2¹⁰ = 23239639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620331 + 11620332.

It is an arithmetic number, because the mean of its divisors is an integer number (11620332).

Almost surely, 2^23240663 is an apocalyptic number.

23240663 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240663 is an equidigital number, since it uses as much as digits as its factorization.

23240663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 23240663 is about 4820.8570814742. The cubic root of 23240663 is about 285.3751620351.

Adding to 23240663 its reverse (36604232), we get a palindrome (59844895).

The spelling of 23240663 in words is "twenty-three million, two hundred forty thousand, six hundred sixty-three".