323403413340 has 144 divisors (see below), whose sum is σ = 1053593654400. Its totient is φ = 73905164928.

The previous prime is 323403413251. The next prime is 323403413353. The reversal of 323403413340 is 43314304323.

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 = 323403413298 and 323403413307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19451551 + ... + 19468169.

It is an arithmetic number, because the mean of its divisors is an integer number (7316622600).

Almost surely, 2^323403413340 is an apocalyptic number.

323403413340 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 323403413340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526796827200).

323403413340 is an abundant number, since it is smaller than the sum of its proper divisors (730190241060).

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

323403413340 is a wasteful number, since it uses less digits than its factorization.

323403413340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23264 (or 23255 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 323403413340 its reverse (43314304323), we get a palindrome (366717717663).

The spelling of 323403413340 in words is "three hundred twenty-three billion, four hundred three million, four hundred thirteen thousand, three hundred forty".