23690112 has 128 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 7004160.

The previous prime is 23690083. The next prime is 23690137. The reversal of 23690112 is 21109632.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×23690112² = 1122442813145088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123937 + ... + 124127.

It is an arithmetic number, because the mean of its divisors is an integer number (550800).

Almost surely, 2^23690112 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 23690112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35251200).

23690112 is an abundant number, since it is smaller than the sum of its proper divisors (46812288).

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

23690112 is a wasteful number, since it uses less digits than its factorization.

23690112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 23690112 is about 4867.2489149416. The cubic root of 23690112 is about 287.2030436023.

Adding to 23690112 its reverse (21109632), we get a palindrome (44799744).

The spelling of 23690112 in words is "twenty-three million, six hundred ninety thousand, one hundred twelve".