23434866 has 128 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 5832000.

The previous prime is 23434787. The next prime is 23434867. The reversal of 23434866 is 66843432.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23434866.

It is not an unprimeable number, because it can be changed into a prime (23434867) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 93241 + ... + 93491.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^23434866 is an apocalyptic number.

23434866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23434866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

23434866 is an abundant number, since it is smaller than the sum of its proper divisors (44302734).

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

23434866 is a wasteful number, since it uses less digits than its factorization.

23434866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 295 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 23434866 is about 4840.9571367654. The cubic root of 23434866 is about 286.1678396062.

The spelling of 23434866 in words is "twenty-three million, four hundred thirty-four thousand, eight hundred sixty-six".