23325344442400 has 648 divisors, whose sum is σ = 78248027836944. Its totient is φ = 6710967244800.

The previous prime is 23325344442377. The next prime is 23325344442427. The reversal of 23325344442400 is 424444352332.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 72712759 + ... + 73032841.

It is an arithmetic number, because the mean of its divisors is an integer number (120753129378).

Almost surely, 2^{23325344442400} is an apocalyptic number.

23325344442400 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 23325344442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39124013918472).

23325344442400 is an abundant number, since it is smaller than the sum of its proper divisors (54922683394544).

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

23325344442400 is a wasteful number, since it uses less digits than its factorization.

23325344442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320154 (or 320121 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 23325344442400 its reverse (424444352332), we get a palindrome (23749788794732).

The spelling of 23325344442400 in words is "twenty-three trillion, three hundred twenty-five billion, three hundred forty-four million, four hundred forty-two thousand, four hundred".