1323231322230 has 128 divisors (see below), whose sum is σ = 3561221376000. Its totient is φ = 349611178752.

The previous prime is 1323231322157. The next prime is 1323231322247. The reversal of 1323231322230 is 322231323231.

1323231322230 is a `hidden beast` number, since 1 + 323 + 2 + 313 + 2 + 2 + 23 + 0 = 666.

It is a super-2 number, since 2×1323231322230² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1323231322194 and 1323231322203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19311571 + ... + 19379969.

It is an arithmetic number, because the mean of its divisors is an integer number (27822042000).

Almost surely, 2^{1323231322230} is an apocalyptic number.

1323231322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323231322230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780610688000).

1323231322230 is an abundant number, since it is smaller than the sum of its proper divisors (2237990053770).

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

1323231322230 is a wasteful number, since it uses less digits than its factorization.

1323231322230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69075 (or 69069 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1323231322230 its reverse (322231323231), we get a palindrome (1645462645461).

It can be divided in two parts, 1323231 and 322230, that added together give a palindrome (1645461).

The spelling of 1323231322230 in words is "one trillion, three hundred twenty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred thirty".