23661102 has 8 divisors (see below), whose sum is σ = 47322216. Its totient is φ = 7887032.

The previous prime is 23661067. The next prime is 23661103. The reversal of 23661102 is 20116632.

It is a happy number.

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

23661102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23661103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1971753 + ... + 1971764.

It is an arithmetic number, because the mean of its divisors is an integer number (5915277).

Almost surely, 2^23661102 is an apocalyptic number.

23661102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23661102 is a wasteful number, since it uses less digits than its factorization.

23661102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943522.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 23661102 is about 4864.2678791366. The cubic root of 23661102 is about 287.0857631166.

Adding to 23661102 its reverse (20116632), we get a palindrome (43777734).

The spelling of 23661102 in words is "twenty-three million, six hundred sixty-one thousand, one hundred two".