23305030400 has 108 divisors (see below), whose sum is σ = 58073106000. Its totient is φ = 9259069440.

The previous prime is 23305030387. The next prime is 23305030403. The reversal of 23305030400 is 403050332.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23305030403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 941381 + ... + 965819.

Almost surely, 2^23305030400 is an apocalyptic number.

23305030400 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 23305030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29036553000).

23305030400 is an abundant number, since it is smaller than the sum of its proper divisors (34768075600).

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

23305030400 is a wasteful number, since it uses less digits than its factorization.

23305030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24614 (or 24595 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

Adding to 23305030400 its reverse (403050332), we get a palindrome (23708080732).

The spelling of 23305030400 in words is "twenty-three billion, three hundred five million, thirty thousand, four hundred".