23211104 has 72 divisors (see below), whose sum is σ = 54037368. Its totient is φ = 9784320.

The previous prime is 23211101. The next prime is 23211119. The reversal of 23211104 is 40111232.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177119 + ... + 177249.

It is an arithmetic number, because the mean of its divisors is an integer number (750519).

Almost surely, 2^23211104 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 23211104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27018684).

23211104 is an abundant number, since it is smaller than the sum of its proper divisors (30826264).

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

23211104 is a wasteful number, since it uses less digits than its factorization.

23211104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 23211104 is about 4817.7903648872. The cubic root of 23211104 is about 285.2541244213.

Adding to 23211104 its reverse (40111232), we get a palindrome (63322336).

The spelling of 23211104 in words is "twenty-three million, two hundred eleven thousand, one hundred four".