1235311403 has 2 divisors, whose sum is σ = 1235311404. Its totient is φ = 1235311402.

The previous prime is 1235311397. The next prime is 1235311423. The reversal of 1235311403 is 3041135321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1235311403 - 2⁶ = 1235311339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1235311423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617655701 + 617655702.

It is an arithmetic number, because the mean of its divisors is an integer number (617655702).

Almost surely, 2^1235311403 is an apocalyptic number.

1235311403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235311403 is an equidigital number, since it uses as much as digits as its factorization.

1235311403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1235311403 is about 35146.9970694510. The cubic root of 1235311403 is about 1072.9812925971.

Adding to 1235311403 its reverse (3041135321), we get a palindrome (4276446724).

The spelling of 1235311403 in words is "one billion, two hundred thirty-five million, three hundred eleven thousand, four hundred three".