1301213323 has 2 divisors, whose sum is σ = 1301213324. Its totient is φ = 1301213322.

The previous prime is 1301213311. The next prime is 1301213363. The reversal of 1301213323 is 3233121031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301213323 - 2²¹ = 1299116171 is a prime.

It is a super-2 number, since 2×1301213323² = 3386312223905404658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301213323.

It is not a weakly prime, because it can be changed into another prime (1301213363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650606661 + 650606662.

It is an arithmetic number, because the mean of its divisors is an integer number (650606662).

Almost surely, 2^1301213323 is an apocalyptic number.

1301213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301213323 is an equidigital number, since it uses as much as digits as its factorization.

1301213323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1301213323 is about 36072.3345931477. The cubic root of 1301213323 is about 1091.7323190424.

Adding to 1301213323 its reverse (3233121031), we get a palindrome (4534334354).

It can be divided in two parts, 13012 and 13323, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 1301213323 in words is "one billion, three hundred one million, two hundred thirteen thousand, three hundred twenty-three".