23693472 has 144 divisors (see below), whose sum is σ = 76501152. Its totient is φ = 7153920.

The previous prime is 23693471. The next prime is 23693477. The reversal of 23693472 is 27439632.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×23693472² = 1122761230829568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23693471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85398 + ... + 85674.

It is an arithmetic number, because the mean of its divisors is an integer number (531258).

Almost surely, 2^23693472 is an apocalyptic number.

23693472 is a gapful number since it is divisible by the number (22) 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 23693472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38250576).

23693472 is an abundant number, since it is smaller than the sum of its proper divisors (52807680).

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

23693472 is a wasteful number, since it uses less digits than its factorization.

23693472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 293 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 23693472 is about 4867.5940668877. The cubic root of 23693472 is about 287.2166210899.

The spelling of 23693472 in words is "twenty-three million, six hundred ninety-three thousand, four hundred seventy-two".