323442232140 has 96 divisors (see below), whose sum is σ = 925565921280. Its totient is φ = 84356004096.

The previous prime is 323442232123. The next prime is 323442232153. The reversal of 323442232140 is 41232244323.

It is a super-2 number, since 2×323442232140² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 323442232098 and 323442232107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3989649 + ... + 4069911.

It is an arithmetic number, because the mean of its divisors is an integer number (9641311680).

Almost surely, 2^323442232140 is an apocalyptic number.

323442232140 is a gapful number since it is divisible by the number (30) 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 323442232140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462782960640).

323442232140 is an abundant number, since it is smaller than the sum of its proper divisors (602123689140).

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

323442232140 is a wasteful number, since it uses less digits than its factorization.

323442232140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81751 (or 81749 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 323442232140 its reverse (41232244323), we get a palindrome (364674476463).

The spelling of 323442232140 in words is "three hundred twenty-three billion, four hundred forty-two million, two hundred thirty-two thousand, one hundred forty".