1303424221323 has 32 divisors (see below), whose sum is σ = 2128341229056. Its totient is φ = 692555447808.

The previous prime is 1303424221277. The next prime is 1303424221331. The reversal of 1303424221323 is 3231224243031.

It is a happy number.

It is not a de Polignac number, because 1303424221323 - 2⁶ = 1303424221259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303424221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21964636 + ... + 22023897.

It is an arithmetic number, because the mean of its divisors is an integer number (66510663408).

Almost surely, 2^{1303424221323} is an apocalyptic number.

1303424221323 is a deficient number, since it is larger than the sum of its proper divisors (824917007733).

1303424221323 is a wasteful number, since it uses less digits than its factorization.

1303424221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43988643.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1303424221323 its reverse (3231224243031), we get a palindrome (4534648464354).

The spelling of 1303424221323 in words is "one trillion, three hundred three billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred twenty-three".