1301220323 has 4 divisors (see below), whose sum is σ = 1401314208. Its totient is φ = 1201126440.

The previous prime is 1301220311. The next prime is 1301220353. The reversal of 1301220323 is 3230221031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230221031 = 59 ⋅54749509.

It is a cyclic number.

It is not a de Polignac number, because 1301220323 - 2¹⁶ = 1301154787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301220353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50046923 + ... + 50046948.

It is an arithmetic number, because the mean of its divisors is an integer number (350328552).

Almost surely, 2^1301220323 is an apocalyptic number.

1301220323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1301220323 is a deficient number, since it is larger than the sum of its proper divisors (100093885).

1301220323 is a wasteful number, since it uses less digits than its factorization.

1301220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100093884.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1301220323 is about 36072.4316202831. The cubic root of 1301220323 is about 1091.7342767312.

Adding to 1301220323 its reverse (3230221031), we get a palindrome (4531441354).

The spelling of 1301220323 in words is "one billion, three hundred one million, two hundred twenty thousand, three hundred twenty-three".