1301021323 has 4 divisors (see below), whose sum is σ = 1486881520. Its totient is φ = 1115161128.

The previous prime is 1301021317. The next prime is 1301021347. The reversal of 1301021323 is 3231201031.

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 1301021323 - 2⁵ = 1301021291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301021297 and 1301021306.

It is not an unprimeable number, because it can be changed into a prime (1301021383) 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, 92930088 + ... + 92930101.

It is an arithmetic number, because the mean of its divisors is an integer number (371720380).

Almost surely, 2^1301021323 is an apocalyptic number.

1301021323 is a deficient number, since it is larger than the sum of its proper divisors (185860197).

1301021323 is an equidigital number, since it uses as much as digits as its factorization.

1301021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185860196.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1301021323 is about 36069.6731756749. The cubic root of 1301021323 is about 1091.6786196957.

Adding to 1301021323 its reverse (3231201031), we get a palindrome (4532222354).

The spelling of 1301021323 in words is "one billion, three hundred one million, twenty-one thousand, three hundred twenty-three".