1322143403 has 8 divisors (see below), whose sum is σ = 1546161408. Its totient is φ = 1106910504.

The previous prime is 1322143399. The next prime is 1322143423. The reversal of 1322143403 is 3043412231.

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

It is not a de Polignac number, because 1322143403 - 2² = 1322143399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322143423) 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, 2195951 + ... + 2196552.

It is an arithmetic number, because the mean of its divisors is an integer number (193270176).

Almost surely, 2^1322143403 is an apocalyptic number.

1322143403 is a deficient number, since it is larger than the sum of its proper divisors (224018005).

1322143403 is an equidigital number, since it uses as much as digits as its factorization.

1322143403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392553.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1322143403 is about 36361.2898973620. The cubic root of 1322143403 is about 1097.5547343946.

Adding to 1322143403 its reverse (3043412231), we get a palindrome (4365555634).

The spelling of 1322143403 in words is "one billion, three hundred twenty-two million, one hundred forty-three thousand, four hundred three".