23315112 has 48 divisors (see below), whose sum is σ = 63960000. Its totient is φ = 7671456.

The previous prime is 23315107. The next prime is 23315119. The reversal of 23315112 is 21151332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23315119) 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 11 ways as a sum of consecutive naturals, for example, 3639 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (1332500).

Almost surely, 2^23315112 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 23315112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31980000).

23315112 is an abundant number, since it is smaller than the sum of its proper divisors (40644888).

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

23315112 is a wasteful number, since it uses less digits than its factorization.

23315112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190 (or 4183 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 23315112 is about 4828.5724598477. The cubic root of 23315112 is about 285.6795602559.

Adding to 23315112 its reverse (21151332), we get a palindrome (44466444).

The spelling of 23315112 in words is "twenty-three million, three hundred fifteen thousand, one hundred twelve".