1233400202401 has 4 divisors (see below), whose sum is σ = 1239661117332. Its totient is φ = 1227139287472.

The previous prime is 1233400202387. The next prime is 1233400202431. The reversal of 1233400202401 is 1042020043321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1216564880400 + 16835322001 = 1102980^2 + 129751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233400202401 - 2¹⁹ = 1233399678113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233400202431) 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, 3130457170 + ... + 3130457563.

It is an arithmetic number, because the mean of its divisors is an integer number (309915279333).

Almost surely, 2^{1233400202401} is an apocalyptic number.

It is an amenable number.

1233400202401 is a deficient number, since it is larger than the sum of its proper divisors (6260914931).

1233400202401 is an equidigital number, since it uses as much as digits as its factorization.

1233400202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260914930.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1233400202401 its reverse (1042020043321), we get a palindrome (2275420245722).

The spelling of 1233400202401 in words is "one trillion, two hundred thirty-three billion, four hundred million, two hundred two thousand, four hundred one".