23201300440 has 32 divisors (see below), whose sum is σ = 52323526080. Its totient is φ = 9259080192.

The previous prime is 23201300417. The next prime is 23201300453. The reversal of 23201300440 is 4400310232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652464 + ... + 687103.

It is an arithmetic number, because the mean of its divisors is an integer number (1635110190).

Almost surely, 2^23201300440 is an apocalyptic number.

23201300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201300440 is an abundant number, since it is smaller than the sum of its proper divisors (29122225640).

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

23201300440 is a wasteful number, since it uses less digits than its factorization.

23201300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340011 (or 1340007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23201300440 its reverse (4400310232), we get a palindrome (27601610672).

The spelling of 23201300440 in words is "twenty-three billion, two hundred one million, three hundred thousand, four hundred forty".