23818812 has 12 divisors (see below), whose sum is σ = 55577256. Its totient is φ = 7939600.

The previous prime is 23818811. The next prime is 23818829. The reversal of 23818812 is 21881832.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23818811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992439 + ... + 992462.

It is an arithmetic number, because the mean of its divisors is an integer number (4631438).

Almost surely, 2^23818812 is an apocalyptic number.

It is an amenable number.

23818812 is an abundant number, since it is smaller than the sum of its proper divisors (31758444).

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

23818812 is a wasteful number, since it uses less digits than its factorization.

23818812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984908 (or 1984906 counting only the distinct ones).

The product of its digits is 6144, while the sum is 33.

The square root of 23818812 is about 4880.4520282449. The cubic root of 23818812 is about 287.7221954649.

The spelling of 23818812 in words is "twenty-three million, eight hundred eighteen thousand, eight hundred twelve".