1323421440410 has 16 divisors (see below), whose sum is σ = 2398146237000. Its totient is φ = 525815766336.

The previous prime is 1323421440343. The next prime is 1323421440413. The reversal of 1323421440410 is 140441243231.

It can be written as a sum of positive squares in 4 ways, for example, as 1104834334321 + 218587106089 = 1051111^2 + 467533^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323421440413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444099665 + ... + 444102644.

Almost surely, 2^{1323421440410} is an apocalyptic number.

1323421440410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323421440410 is a deficient number, since it is larger than the sum of its proper divisors (1074724796590).

1323421440410 is a wasteful number, since it uses less digits than its factorization.

1323421440410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888202465.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1323421440410 its reverse (140441243231), we get a palindrome (1463862683641).

The spelling of 1323421440410 in words is "one trillion, three hundred twenty-three billion, four hundred twenty-one million, four hundred forty thousand, four hundred ten".