1133201423 has 4 divisors (see below), whose sum is σ = 1133473488. Its totient is φ = 1132929360.

The previous prime is 1133201413. The next prime is 1133201441. The reversal of 1133201423 is 3241023311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241023311 = 23 ⋅140914057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133201423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133201395 and 1133201404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133201413) 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, 129686 + ... + 138147.

It is an arithmetic number, because the mean of its divisors is an integer number (283368372).

Almost surely, 2^1133201423 is an apocalyptic number.

1133201423 is a deficient number, since it is larger than the sum of its proper divisors (272065).

1133201423 is an equidigital number, since it uses as much as digits as its factorization.

1133201423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272064.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1133201423 is about 33663.0572438096. The cubic root of 1133201423 is about 1042.5631498339.

Adding to 1133201423 its reverse (3241023311), we get a palindrome (4374224734).

The spelling of 1133201423 in words is "one billion, one hundred thirty-three million, two hundred one thousand, four hundred twenty-three".