23400200440320 has 160 divisors (see below), whose sum is σ = 81608199330240. Its totient is φ = 5672775843840.

The previous prime is 23400200440307. The next prime is 23400200440367. The reversal of 23400200440320 is 2304400200432.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138411025 + ... + 138579984.

It is an arithmetic number, because the mean of its divisors is an integer number (510051245814).

Almost surely, 2^{23400200440320} is an apocalyptic number.

23400200440320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23400200440320 is an abundant number, since it is smaller than the sum of its proper divisors (58207998889920).

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

23400200440320 is a wasteful number, since it uses less digits than its factorization.

23400200440320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276991046 (or 276991030 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 23400200440320 its reverse (2304400200432), we get a palindrome (25704600640752).

The spelling of 23400200440320 in words is "twenty-three trillion, four hundred billion, two hundred million, four hundred forty thousand, three hundred twenty".