1323245051 has 4 divisors (see below), whose sum is σ = 1332903912. Its totient is φ = 1313586192.

The previous prime is 1323245009. The next prime is 1323245057. The reversal of 1323245051 is 1505423231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1323245051 - 2¹⁴ = 1323228667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323245051.

It is not an unprimeable number, because it can be changed into a prime (1323245057) 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, 4829225 + ... + 4829498.

It is an arithmetic number, because the mean of its divisors is an integer number (333225978).

Almost surely, 2^1323245051 is an apocalyptic number.

1323245051 is a deficient number, since it is larger than the sum of its proper divisors (9658861).

1323245051 is an equidigital number, since it uses as much as digits as its factorization.

1323245051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658860.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1323245051 is about 36376.4353806142. The cubic root of 1323245051 is about 1097.8594878493.

Adding to 1323245051 its reverse (1505423231), we get a palindrome (2828668282).

The spelling of 1323245051 in words is "one billion, three hundred twenty-three million, two hundred forty-five thousand, fifty-one".