1234011403 has 4 divisors (see below), whose sum is σ = 1235323728. Its totient is φ = 1232699080.

The previous prime is 1234011391. The next prime is 1234011413. The reversal of 1234011403 is 3041104321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3041104321 = 23 ⋅132221927.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234011403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234011413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654751 + ... + 656632.

It is an arithmetic number, because the mean of its divisors is an integer number (308830932).

Almost surely, 2^1234011403 is an apocalyptic number.

1234011403 is a deficient number, since it is larger than the sum of its proper divisors (1312325).

1234011403 is an equidigital number, since it uses as much as digits as its factorization.

1234011403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312324.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1234011403 is about 35128.4984449948. The cubic root of 1234011403 is about 1072.6047707285.

Adding to 1234011403 its reverse (3041104321), we get a palindrome (4275115724).

The spelling of 1234011403 in words is "one billion, two hundred thirty-four million, eleven thousand, four hundred three".