23109632 has 112 divisors (see below), whose sum is σ = 58716672. Its totient is φ = 8847360.

The previous prime is 23109631. The next prime is 23109637. The reversal of 23109632 is 23690132.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (23109631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745457 + ... + 745487.

It is an arithmetic number, because the mean of its divisors is an integer number (524256).

Almost surely, 2^23109632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23109632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29358336).

23109632 is an abundant number, since it is smaller than the sum of its proper divisors (35607040).

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

23109632 is an equidigital number, since it uses as much as digits as its factorization.

23109632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 23109632 is about 4807.2478613028. The cubic root of 23109632 is about 284.8378353134.

Adding to 23109632 its reverse (23690132), we get a palindrome (46799764).

The spelling of 23109632 in words is "twenty-three million, one hundred nine thousand, six hundred thirty-two".