23827820 has 24 divisors (see below), whose sum is σ = 50861328. Its totient is φ = 9374400.

The previous prime is 23827807. The next prime is 23827831. The reversal of 23827820 is 2872832.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2119222).

Almost surely, 2^23827820 is an apocalyptic number.

23827820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23827820 is an abundant number, since it is smaller than the sum of its proper divisors (27033508).

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

23827820 is a wasteful number, since it uses less digits than its factorization.

23827820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19601 (or 19599 counting only the distinct ones).

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

The square root of 23827820 is about 4881.3748063430. The cubic root of 23827820 is about 287.7584619655.

The spelling of 23827820 in words is "twenty-three million, eight hundred twenty-seven thousand, eight hundred twenty".