23044420 has 48 divisors (see below), whose sum is σ = 55617408. Its totient is φ = 7856640.

The previous prime is 23044409. The next prime is 23044447. The reversal of 23044420 is 2444032.

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, 33399 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (1158696).

Almost surely, 2^23044420 is an apocalyptic number.

23044420 is a gapful number since it is divisible by the number (20) 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 23044420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27808704).

23044420 is an abundant number, since it is smaller than the sum of its proper divisors (32572988).

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

23044420 is a wasteful number, since it uses less digits than its factorization.

23044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23044420 is about 4800.4603945872. The cubic root of 23044420 is about 284.5696593397.

Adding to 23044420 its reverse (2444032), we get a palindrome (25488452).

It can be divided in two parts, 2304 and 4420, that added together give a square (6724 = 82²).

The spelling of 23044420 in words is "twenty-three million, forty-four thousand, four hundred twenty".