23300406 has 48 divisors (see below), whose sum is σ = 53622000. Its totient is φ = 7499520.

The previous prime is 23300401. The next prime is 23300413. The reversal of 23300406 is 60400332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51670 + ... + 52118.

It is an arithmetic number, because the mean of its divisors is an integer number (1117125).

Almost surely, 2^23300406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23300406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26811000).

23300406 is an abundant number, since it is smaller than the sum of its proper divisors (30321594).

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

23300406 is a wasteful number, since it uses less digits than its factorization.

23300406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23300406 is about 4827.0494093183. The cubic root of 23300406 is about 285.6194835236.

Adding to 23300406 its reverse (60400332), we get a palindrome (83700738).

The spelling of 23300406 in words is "twenty-three million, three hundred thousand, four hundred six".