1133123413 has 4 divisors (see below), whose sum is σ = 1141275520. Its totient is φ = 1124971308.

The previous prime is 1133123399. The next prime is 1133123419. The reversal of 1133123413 is 3143213311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133123413 - 2⁹ = 1133122901 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 (1133123419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075845 + ... + 4076122.

It is an arithmetic number, because the mean of its divisors is an integer number (285318880).

Almost surely, 2^1133123413 is an apocalyptic number.

It is an amenable number.

1133123413 is a deficient number, since it is larger than the sum of its proper divisors (8152107).

1133123413 is an equidigital number, since it uses as much as digits as its factorization.

1133123413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152106.

The product of its digits is 648, while the sum is 22.

The square root of 1133123413 is about 33661.8985352876. The cubic root of 1133123413 is about 1042.5392258089.

Adding to 1133123413 its reverse (3143213311), we get a palindrome (4276336724).

The spelling of 1133123413 in words is "one billion, one hundred thirty-three million, one hundred twenty-three thousand, four hundred thirteen".