23163641 has 8 divisors (see below), whose sum is σ = 24489600. Its totient is φ = 21848400.

The previous prime is 23163631. The next prime is 23163649. The reversal of 23163641 is 14636132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23163641 - 2¹⁸ = 22901497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23163641.

It is not an unprimeable number, because it can be changed into a prime (23163649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (3061200).

Almost surely, 2^23163641 is an apocalyptic number.

It is an amenable number.

23163641 is a deficient number, since it is larger than the sum of its proper divisors (1325959).

23163641 is a wasteful number, since it uses less digits than its factorization.

23163641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359.

The product of its digits is 2592, while the sum is 26.

The square root of 23163641 is about 4812.8620383302. The cubic root of 23163641 is about 285.0595587028.

Adding to 23163641 its reverse (14636132), we get a palindrome (37799773).

The spelling of 23163641 in words is "twenty-three million, one hundred sixty-three thousand, six hundred forty-one".