23300000 has 72 divisors (see below), whose sum is σ = 57582252. Its totient is φ = 9280000.

The previous prime is 23299967. The next prime is 23300027. The reversal of 23300000 is 332.

It can be written as a sum of positive squares in 6 ways, for example, as 5626384 + 17673616 = 2372^2 + 4204^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99884 + ... + 100116.

Almost surely, 2^23300000 is an apocalyptic number.

23300000 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 23300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28791126).

23300000 is an abundant number, since it is smaller than the sum of its proper divisors (34282252).

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

23300000 is an frugal number, since it uses more digits than its factorization.

23300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 23300000 is about 4827.0073544589. The cubic root of 23300000 is about 285.6178245799.

Adding to 23300000 its reverse (332), we get a palindrome (23300332).

The spelling of 23300000 in words is "twenty-three million, three hundred thousand".