1133440031423 has 4 divisors (see below), whose sum is σ = 1295360035920. Its totient is φ = 971520026928.

The previous prime is 1133440031417. The next prime is 1133440031447. The reversal of 1133440031423 is 3241300443311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1133440031423 - 2⁴ = 1133440031407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133440031413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80960002238 + ... + 80960002251.

It is an arithmetic number, because the mean of its divisors is an integer number (323840008980).

Almost surely, 2^{1133440031423} is an apocalyptic number.

1133440031423 is a deficient number, since it is larger than the sum of its proper divisors (161920004497).

1133440031423 is an equidigital number, since it uses as much as digits as its factorization.

1133440031423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161920004496.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1133440031423 its reverse (3241300443311), we get a palindrome (4374740474734).

The spelling of 1133440031423 in words is "one trillion, one hundred thirty-three billion, four hundred forty million, thirty-one thousand, four hundred twenty-three".