1326140823 has 8 divisors (see below), whose sum is σ = 2020786048. Its totient is φ = 757794744.

The previous prime is 1326140813. The next prime is 1326140833. The reversal of 1326140823 is 3280416231.

It is an interprime number because it is at equal distance from previous prime (1326140813) and next prime (1326140833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1326140823 - 2⁹ = 1326140311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326140813) 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, 31574761 + ... + 31574802.

It is an arithmetic number, because the mean of its divisors is an integer number (252598256).

Almost surely, 2^1326140823 is an apocalyptic number.

1326140823 is a deficient number, since it is larger than the sum of its proper divisors (694645225).

1326140823 is an equidigital number, since it uses as much as digits as its factorization.

1326140823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63149573.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1326140823 is about 36416.2164838688. The cubic root of 1326140823 is about 1098.6597514405.

The spelling of 1326140823 in words is "one billion, three hundred twenty-six million, one hundred forty thousand, eight hundred twenty-three".