1323095040 has 352 divisors, whose sum is σ = 4987474560. Its totient is φ = 331481088.

The previous prime is 1323094999. The next prime is 1323095041. The reversal of 1323095040 is 405903231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1323094995 and 1323095013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323095041) 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 31 ways as a sum of consecutive naturals, for example, 2349799 + ... + 2350361.

Almost surely, 2^1323095040 is an apocalyptic number.

1323095040 is a gapful number since it is divisible by the number (10) 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 1323095040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2493737280).

1323095040 is an abundant number, since it is smaller than the sum of its proper divisors (3664379520).

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

1323095040 is a wasteful number, since it uses less digits than its factorization.

1323095040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1323095040 is about 36374.3733966649. The cubic root of 1323095040 is about 1097.8179996348.

Adding to 1323095040 its reverse (405903231), we get a palindrome (1728998271).

The spelling of 1323095040 in words is "one billion, three hundred twenty-three million, ninety-five thousand, forty".