1320323053 has 16 divisors (see below), whose sum is σ = 1599808000. Its totient is φ = 1064413872.

The previous prime is 1320323023. The next prime is 1320323141. The reversal of 1320323053 is 3503230231.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1320323053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320323023) 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, 17223 + ... + 54196.

It is an arithmetic number, because the mean of its divisors is an integer number (99988000).

Almost surely, 2^1320323053 is an apocalyptic number.

It is an amenable number.

1320323053 is a deficient number, since it is larger than the sum of its proper divisors (279484947).

1320323053 is a wasteful number, since it uses less digits than its factorization.

1320323053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71584.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 1320323053 is about 36336.2498477760. The cubic root of 1320323053 is about 1097.0507922382.

Adding to 1320323053 its reverse (3503230231), we get a palindrome (4823553284).

The spelling of 1320323053 in words is "one billion, three hundred twenty million, three hundred twenty-three thousand, fifty-three".