1323451345 has 8 divisors (see below), whose sum is σ = 1589230080. Its totient is φ = 1058035440.

The previous prime is 1323451331. The next prime is 1323451391. The reversal of 1323451345 is 5431543231.

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

It is a de Polignac number, because none of the positive numbers 2^k-1323451345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82615 + ... + 97324.

It is an arithmetic number, because the mean of its divisors is an integer number (198653760).

Almost surely, 2^1323451345 is an apocalyptic number.

It is an amenable number.

1323451345 is a deficient number, since it is larger than the sum of its proper divisors (265778735).

1323451345 is a wasteful number, since it uses less digits than its factorization.

1323451345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181415.

The product of its digits is 21600, while the sum is 31.

The square root of 1323451345 is about 36379.2708145724. The cubic root of 1323451345 is about 1097.9165370095.

Adding to 1323451345 its reverse (5431543231), we get a palindrome (6754994576).

The spelling of 1323451345 in words is "one billion, three hundred twenty-three million, four hundred fifty-one thousand, three hundred forty-five".