1323461345 has 16 divisors (see below), whose sum is σ = 1631801808. Its totient is φ = 1029826560.

The previous prime is 1323461341. The next prime is 1323461383. The reversal of 1323461345 is 5431643231.

It can be written as a sum of positive squares in 8 ways, for example, as 652495936 + 670965409 = 25544^2 + 25903^2 .

It is not a de Polignac number, because 1323461345 - 2² = 1323461341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323461341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59507 + ... + 78663.

It is an arithmetic number, because the mean of its divisors is an integer number (101987613).

Almost surely, 2^1323461345 is an apocalyptic number.

It is an amenable number.

1323461345 is a deficient number, since it is larger than the sum of its proper divisors (308340463).

1323461345 is a wasteful number, since it uses less digits than its factorization.

1323461345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540.

The product of its digits is 25920, while the sum is 32.

The square root of 1323461345 is about 36379.4082552204. The cubic root of 1323461345 is about 1097.9193022888.

The spelling of 1323461345 in words is "one billion, three hundred twenty-three million, four hundred sixty-one thousand, three hundred forty-five".