23044780 has 72 divisors (see below), whose sum is σ = 55051920. Its totient is φ = 8035200.

The previous prime is 23044759. The next prime is 23044783. The reversal of 23044780 is 8744032.

It is not an unprimeable number, because it can be changed into a prime (23044783) 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, 211366 + ... + 211474.

It is an arithmetic number, because the mean of its divisors is an integer number (764610).

Almost surely, 2^23044780 is an apocalyptic number.

23044780 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 23044780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27525960).

23044780 is an abundant number, since it is smaller than the sum of its proper divisors (32007140).

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

23044780 is a wasteful number, since it uses less digits than its factorization.

23044780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23044780 is about 4800.4978908442. The cubic root of 23044780 is about 284.5711411814.

The spelling of 23044780 in words is "twenty-three million, forty-four thousand, seven hundred eighty".