1323704740 has 24 divisors (see below), whose sum is σ = 2900640960. Its totient is φ = 506460768.

The previous prime is 1323704731. The next prime is 1323704741. The reversal of 1323704740 is 474073231.

It is not an unprimeable number, because it can be changed into a prime (1323704741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438350 + ... + 1439269.

It is an arithmetic number, because the mean of its divisors is an integer number (120860040).

Almost surely, 2^1323704740 is an apocalyptic number.

1323704740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323704740 is an abundant number, since it is smaller than the sum of its proper divisors (1576936220).

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

1323704740 is a wasteful number, since it uses less digits than its factorization.

1323704740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877651 (or 2877649 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 1323704740 is about 36382.7533317642. The cubic root of 1323704740 is about 1097.9866035085.

Adding to 1323704740 its reverse (474073231), we get a palindrome (1797777971).

The spelling of 1323704740 in words is "one billion, three hundred twenty-three million, seven hundred four thousand, seven hundred forty".