23039280 has 120 divisors (see below), whose sum is σ = 84436560. Its totient is φ = 5583360.

The previous prime is 23039257. The next prime is 23039281. The reversal of 23039280 is 8293032.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (23039281) 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 23 ways as a sum of consecutive naturals, for example, 6466 + ... + 9374.

It is an arithmetic number, because the mean of its divisors is an integer number (703638).

Almost surely, 2^23039280 is an apocalyptic number.

23039280 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 23039280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42218280).

23039280 is an abundant number, since it is smaller than the sum of its proper divisors (61397280).

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

23039280 is a wasteful number, since it uses less digits than its factorization.

23039280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 23039280 is about 4799.9249994141. The cubic root of 23039280 is about 284.5485002506.

The spelling of 23039280 in words is "twenty-three million, thirty-nine thousand, two hundred eighty".