23305403400 has 96 divisors (see below), whose sum is σ = 74738073600. Its totient is φ = 6000467200.

The previous prime is 23305403389. The next prime is 23305403423. The reversal of 23305403400 is 430450332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652296 + ... + 687095.

It is an arithmetic number, because the mean of its divisors is an integer number (778521600).

Almost surely, 2^23305403400 is an apocalyptic number.

23305403400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23305403400 is an abundant number, since it is smaller than the sum of its proper divisors (51432670200).

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

23305403400 is a wasteful number, since it uses less digits than its factorization.

23305403400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339439 (or 1339430 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 23305403400 its reverse (430450332), we get a palindrome (23735853732).

The spelling of 23305403400 in words is "twenty-three billion, three hundred five million, four hundred three thousand, four hundred".