23443620 has 24 divisors (see below), whose sum is σ = 65642304. Its totient is φ = 6251616.

The previous prime is 23443613. The next prime is 23443621. The reversal of 23443620 is 2634432.

It is a happy number.

It is a super-3 number, since 3×23443620³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23443621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195304 + ... + 195423.

It is an arithmetic number, because the mean of its divisors is an integer number (2735096).

Almost surely, 2^23443620 is an apocalyptic number.

23443620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23443620 is an abundant number, since it is smaller than the sum of its proper divisors (42198684).

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

23443620 is a wasteful number, since it uses less digits than its factorization.

23443620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390739 (or 390737 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 23443620 is about 4841.8612123852. The cubic root of 23443620 is about 286.2034674525.

The spelling of 23443620 in words is "twenty-three million, four hundred forty-three thousand, six hundred twenty".