1323907830 has 96 divisors (see below), whose sum is σ = 4104981504. Its totient is φ = 289447488.

The previous prime is 1323907801. The next prime is 1323907831. The reversal of 1323907830 is 387093231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323907831) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 31194 + ... + 60173.

It is an arithmetic number, because the mean of its divisors is an integer number (42760224).

Almost surely, 2^1323907830 is an apocalyptic number.

1323907830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323907830 is an abundant number, since it is smaller than the sum of its proper divisors (2781073674).

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

1323907830 is a wasteful number, since it uses less digits than its factorization.

1323907830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91410 (or 91407 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1323907830 is about 36385.5442449333. The cubic root of 1323907830 is about 1098.0427536678.

The spelling of 1323907830 in words is "one billion, three hundred twenty-three million, nine hundred seven thousand, eight hundred thirty".