1403213023321 has 8 divisors (see below), whose sum is σ = 1404945982440. Its totient is φ = 1401480288768.

The previous prime is 1403213023319. The next prime is 1403213023343. The reversal of 1403213023321 is 1233203123041.

It can be written as a sum of positive squares in 4 ways, for example, as 421252921600 + 981960101721 = 649040^2 + 990939^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1403213023321 - 2¹ = 1403213023319 is a prime.

It is a super-2 number, since 2×1403213023321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403213063321) 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, 14879365 + ... + 14973373.

It is an arithmetic number, because the mean of its divisors is an integer number (175618247805).

Almost surely, 2^{1403213023321} is an apocalyptic number.

It is an amenable number.

1403213023321 is a deficient number, since it is larger than the sum of its proper divisors (1732959119).

1403213023321 is an equidigital number, since it uses as much as digits as its factorization.

1403213023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112283.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1403213023321 its reverse (1233203123041), we get a palindrome (2636416146362).

The spelling of 1403213023321 in words is "one trillion, four hundred three billion, two hundred thirteen million, twenty-three thousand, three hundred twenty-one".