1323412992 has 240 divisors, whose sum is σ = 4325473152. Its totient is φ = 400619520.

The previous prime is 1323412969. The next prime is 1323412997. The reversal of 1323412992 is 2992143231.

1323412992 is a `hidden beast` number, since 1 + 323 + 41 + 299 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323412997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1368093 + ... + 1369059.

Almost surely, 2^1323412992 is an apocalyptic number.

1323412992 is a gapful number since it is divisible by the number (12) 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 1323412992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162736576).

1323412992 is an abundant number, since it is smaller than the sum of its proper divisors (3002060160).

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

1323412992 is an frugal number, since it uses more digits than its factorization.

1323412992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 983 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1323412992 is about 36378.7436836403. The cubic root of 1323412992 is about 1097.9059312047.

The spelling of 1323412992 in words is "one billion, three hundred twenty-three million, four hundred twelve thousand, nine hundred ninety-two".