1321423010 has 8 divisors (see below), whose sum is σ = 2378561436. Its totient is φ = 528569200.

The previous prime is 1321423009. The next prime is 1321423021. The reversal of 1321423010 is 103241231.

It can be written as a sum of positive squares in 2 ways, for example, as 1283144041 + 38278969 = 35821^2 + 6187^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1321423010.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66071141 + ... + 66071160.

Almost surely, 2^1321423010 is an apocalyptic number.

1321423010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321423010 is a deficient number, since it is larger than the sum of its proper divisors (1057138426).

1321423010 is a wasteful number, since it uses less digits than its factorization.

1321423010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132142308.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321423010 is about 36351.3825046586. The cubic root of 1321423010 is about 1097.3553575360.

Adding to 1321423010 its reverse (103241231), we get a palindrome (1424664241).

The spelling of 1321423010 in words is "one billion, three hundred twenty-one million, four hundred twenty-three thousand, ten".