23290663 has 16 divisors (see below), whose sum is σ = 27371520. Its totient is φ = 19580800.

The previous prime is 23290639. The next prime is 23290667. The reversal of 23290663 is 36609232.

It is a cyclic number.

It is not a de Polignac number, because 23290663 - 2⁹ = 23290151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23290667) 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 15 ways as a sum of consecutive naturals, for example, 9978 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^23290663 is an apocalyptic number.

23290663 is a deficient number, since it is larger than the sum of its proper divisors (4080857).

23290663 is a wasteful number, since it uses less digits than its factorization.

23290663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23290663 is about 4826.0400951505. The cubic root of 23290663 is about 285.5796676424.

Adding to 23290663 its reverse (36609232), we get a palindrome (59899895).

The spelling of 23290663 in words is "twenty-three million, two hundred ninety thousand, six hundred sixty-three".