23723280 has 200 divisors, whose sum is σ = 94345152. Its totient is φ = 5412096.

The previous prime is 23723263. The next prime is 23723299. The reversal of 23723280 is 8232732.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 45099 + ... + 45621.

Almost surely, 2^23723280 is an apocalyptic number.

23723280 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 23723280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47172576).

23723280 is an abundant number, since it is smaller than the sum of its proper divisors (70621872).

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

23723280 is a wasteful number, since it uses less digits than its factorization.

23723280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23723280 is about 4870.6549867549. The cubic root of 23723280 is about 287.3370166331.

The spelling of 23723280 in words is "twenty-three million, seven hundred twenty-three thousand, two hundred eighty".