23363661 has 16 divisors (see below), whose sum is σ = 33179328. Its totient is φ = 14572800.

The previous prime is 23363651. The next prime is 23363689. The reversal of 23363661 is 16636332.

It is not a de Polignac number, because 23363661 - 2¹⁵ = 23330893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23363611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7966 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (2073708).

Almost surely, 2^23363661 is an apocalyptic number.

It is an amenable number.

23363661 is a deficient number, since it is larger than the sum of its proper divisors (9815667).

23363661 is a wasteful number, since it uses less digits than its factorization.

23363661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732.

The product of its digits is 11664, while the sum is 30.

The square root of 23363661 is about 4833.5971077449. The cubic root of 23363661 is about 285.8777127290.

Adding to 23363661 its reverse (16636332), we get a palindrome (39999993).

The spelling of 23363661 in words is "twenty-three million, three hundred sixty-three thousand, six hundred sixty-one".