23311104 has 72 divisors (see below), whose sum is σ = 62791680. Its totient is φ = 7676928.

The previous prime is 23311091. The next prime is 23311111. The reversal of 23311104 is 40111332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97417 + ... + 97655.

Almost surely, 2^23311104 is an apocalyptic number.

23311104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31395840).

23311104 is an abundant number, since it is smaller than the sum of its proper divisors (39480576).

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

23311104 is a wasteful number, since it uses less digits than its factorization.

23311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 23311104 is about 4828.1574125126. The cubic root of 23311104 is about 285.6631893388.

Adding to 23311104 its reverse (40111332), we get a palindrome (63422436).

The spelling of 23311104 in words is "twenty-three million, three hundred eleven thousand, one hundred four".