201324323400 has 48 divisors (see below), whose sum is σ = 624105404400. Its totient is φ = 53686486080.

The previous prime is 201324323377. The next prime is 201324323401. The reversal of 201324323400 is 4323423102.

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

It is not an unprimeable number, because it can be changed into a prime (201324323401) 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, 167769670 + ... + 167770869.

It is an arithmetic number, because the mean of its divisors is an integer number (13002195925).

Almost surely, 2^201324323400 is an apocalyptic number.

201324323400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201324323400 is an abundant number, since it is smaller than the sum of its proper divisors (422781081000).

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

201324323400 is a wasteful number, since it uses less digits than its factorization.

201324323400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335540558 (or 335540549 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 201324323400 its reverse (4323423102), we get a palindrome (205647746502).

The spelling of 201324323400 in words is "two hundred one billion, three hundred twenty-four million, three hundred twenty-three thousand, four hundred".