1201401323 has 2 divisors, whose sum is σ = 1201401324. Its totient is φ = 1201401322.

The previous prime is 1201401317. The next prime is 1201401337. The reversal of 1201401323 is 3231041021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201401323 - 2⁴ = 1201401307 is a prime.

It is a super-3 number, since 3×1201401323³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1201401623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600700661 + 600700662.

It is an arithmetic number, because the mean of its divisors is an integer number (600700662).

Almost surely, 2^1201401323 is an apocalyptic number.

1201401323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201401323 is an equidigital number, since it uses as much as digits as its factorization.

1201401323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1201401323 is about 34661.2366051761. The cubic root of 1201401323 is about 1063.0720549097.

Adding to 1201401323 its reverse (3231041021), we get a palindrome (4432442344).

The spelling of 1201401323 in words is "one billion, two hundred one million, four hundred one thousand, three hundred twenty-three".