1323214040 has 32 divisors (see below), whose sum is σ = 3152364480. Its totient is φ = 498150912.

The previous prime is 1323214037. The next prime is 1323214043. The reversal of 1323214040 is 404123231.

It is an interprime number because it is at equal distance from previous prime (1323214037) and next prime (1323214043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323214043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972272 + ... + 973631.

It is an arithmetic number, because the mean of its divisors is an integer number (98511390).

Almost surely, 2^1323214040 is an apocalyptic number.

1323214040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323214040 is an abundant number, since it is smaller than the sum of its proper divisors (1829150440).

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

1323214040 is a wasteful number, since it uses less digits than its factorization.

1323214040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945931 (or 1945927 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1323214040 is about 36376.0091268957. The cubic root of 1323214040 is about 1097.8509114619.

Adding to 1323214040 its reverse (404123231), we get a palindrome (1727337271).

It can be divided in two parts, 13232 and 14040, that added together give a palindrome (27272).

The spelling of 1323214040 in words is "one billion, three hundred twenty-three million, two hundred fourteen thousand, forty".