23822780 has 24 divisors (see below), whose sum is σ = 52971408. Its totient is φ = 8968448.

The previous prime is 23822761. The next prime is 23822791. The reversal of 23822780 is 8722832.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34694 + ... + 35373.

It is an arithmetic number, because the mean of its divisors is an integer number (2207142).

Almost surely, 2^23822780 is an apocalyptic number.

23822780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23822780 is an abundant number, since it is smaller than the sum of its proper divisors (29148628).

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

23822780 is a wasteful number, since it uses less digits than its factorization.

23822780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70093 (or 70091 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 23822780 is about 4880.8585310373. The cubic root of 23822780 is about 287.7381718884.

The spelling of 23822780 in words is "twenty-three million, eight hundred twenty-two thousand, seven hundred eighty".