23402880 has 192 divisors, whose sum is σ = 85924800. Its totient is φ = 5849088.

The previous prime is 23402837. The next prime is 23402887. The reversal of 23402880 is 8820432.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402887) 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, 97801 + ... + 98039.

It is an arithmetic number, because the mean of its divisors is an integer number (447525).

Almost surely, 2^23402880 is an apocalyptic number.

23402880 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 23402880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42962400).

23402880 is an abundant number, since it is smaller than the sum of its proper divisors (62521920).

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

23402880 is a wasteful number, since it uses less digits than its factorization.

23402880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 23402880 is about 4837.6523231832. The cubic root of 23402880 is about 286.0375845108.

The spelling of 23402880 in words is "twenty-three million, four hundred two thousand, eight hundred eighty".