23240672 has 96 divisors (see below), whose sum is σ = 58931712. Its totient is φ = 8769024.

The previous prime is 23240671. The next prime is 23240677. The reversal of 23240672 is 27604232.

It is a super-3 number, since 3×23240672³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66803 + ... + 67149.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^23240672 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 23240672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29465856).

23240672 is an abundant number, since it is smaller than the sum of its proper divisors (35691040).

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

23240672 is a wasteful number, since it uses less digits than its factorization.

23240672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 23240672 is about 4820.8580149181. The cubic root of 23240672 is about 285.3751988725.

It can be divided in two parts, 232 and 40672, that added together give a palindrome (40904).

The spelling of 23240672 in words is "twenty-three million, two hundred forty thousand, six hundred seventy-two".