23081712 has 80 divisors (see below), whose sum is σ = 62460288. Its totient is φ = 7338240.

The previous prime is 23081711. The next prime is 23081717. The reversal of 23081712 is 21718032.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23081711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109287 + ... + 109497.

Almost surely, 2^23081712 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 23081712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31230144).

23081712 is an abundant number, since it is smaller than the sum of its proper divisors (39378576).

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

23081712 is a wasteful number, since it uses less digits than its factorization.

23081712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 23081712 is about 4804.3430352130. The cubic root of 23081712 is about 284.7230797403.

Adding to 23081712 its reverse (21718032), we get a palindrome (44799744).

The spelling of 23081712 in words is "twenty-three million, eighty-one thousand, seven hundred twelve".