1323231203330 has 32 divisors (see below), whose sum is σ = 2432617712640. Its totient is φ = 518004402880.

The previous prime is 1323231203323. The next prime is 1323231203339. The reversal of 1323231203330 is 333021323231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323231203330.

It is not an unprimeable number, because it can be changed into a prime (1323231203339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10880660 + ... + 11001600.

It is an arithmetic number, because the mean of its divisors is an integer number (76019303520).

Almost surely, 2^{1323231203330} is an apocalyptic number.

1323231203330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323231203330 is a deficient number, since it is larger than the sum of its proper divisors (1109386509310).

1323231203330 is a wasteful number, since it uses less digits than its factorization.

1323231203330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144274.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1323231203330 its reverse (333021323231), we get a palindrome (1656252526561).

The spelling of 1323231203330 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, two hundred three thousand, three hundred thirty".