1323154407 has 4 divisors (see below), whose sum is σ = 1764205880. Its totient is φ = 882102936.

The previous prime is 1323154397. The next prime is 1323154409. The reversal of 1323154407 is 7044513231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1323154407 - 2⁷ = 1323154279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323154409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220525732 + ... + 220525737.

It is an arithmetic number, because the mean of its divisors is an integer number (441051470).

Almost surely, 2^1323154407 is an apocalyptic number.

1323154407 is a deficient number, since it is larger than the sum of its proper divisors (441051473).

1323154407 is an equidigital number, since it uses as much as digits as its factorization.

1323154407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441051472.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1323154407 is about 36375.1894428057. The cubic root of 1323154407 is about 1097.8344190112.

Adding to 1323154407 its reverse (7044513231), we get a palindrome (8367667638).

The spelling of 1323154407 in words is "one billion, three hundred twenty-three million, one hundred fifty-four thousand, four hundred seven".