1323341240 has 32 divisors (see below), whose sum is σ = 3206558880. Its totient is φ = 488618112.

The previous prime is 1323341231. The next prime is 1323341263. The reversal of 1323341240 is 421433231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271924 + ... + 1272963.

It is an arithmetic number, because the mean of its divisors is an integer number (100204965).

Almost surely, 2^1323341240 is an apocalyptic number.

1323341240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323341240 is an abundant number, since it is smaller than the sum of its proper divisors (1883217640).

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

1323341240 is a wasteful number, since it uses less digits than its factorization.

1323341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544911 (or 2544907 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1323341240 is about 36377.7574899828. The cubic root of 1323341240 is about 1097.8860889810.

Adding to 1323341240 its reverse (421433231), we get a palindrome (1744774471).

The spelling of 1323341240 in words is "one billion, three hundred twenty-three million, three hundred forty-one thousand, two hundred forty".