1233404401 has 2 divisors, whose sum is σ = 1233404402. Its totient is φ = 1233404400.

The previous prime is 1233404387. The next prime is 1233404413. The reversal of 1233404401 is 1044043321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1074266176 + 159138225 = 32776^2 + 12615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233404401 - 2⁵ = 1233404369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233404461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616702200 + 616702201.

It is an arithmetic number, because the mean of its divisors is an integer number (616702201).

Almost surely, 2^1233404401 is an apocalyptic number.

It is an amenable number.

1233404401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233404401 is an equidigital number, since it uses as much as digits as its factorization.

1233404401 is an evil number, because the sum of its binary digits is even.

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

The square root of 1233404401 is about 35119.8576449279. The cubic root of 1233404401 is about 1072.4288728339.

Adding to 1233404401 its reverse (1044043321), we get a palindrome (2277447722).

The spelling of 1233404401 in words is "one billion, two hundred thirty-three million, four hundred four thousand, four hundred one".