1133413123 has 4 divisors (see below), whose sum is σ = 1151993728. Its totient is φ = 1114832520.

The previous prime is 1133413117. The next prime is 1133413129. The reversal of 1133413123 is 3213143311.

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

It is an interprime number because it is at equal distance from previous prime (1133413117) and next prime (1133413129).

It is a cyclic number.

It is not a de Polignac number, because 1133413123 - 2⁵ = 1133413091 is a prime.

It is a super-2 number, since 2×1133413123² = 2569250614777226258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1133413094 and 1133413103.

It is not an unprimeable number, because it can be changed into a prime (1133413129) 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, 9290211 + ... + 9290332.

It is an arithmetic number, because the mean of its divisors is an integer number (287998432).

Almost surely, 2^1133413123 is an apocalyptic number.

1133413123 is a deficient number, since it is larger than the sum of its proper divisors (18580605).

1133413123 is an equidigital number, since it uses as much as digits as its factorization.

1133413123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18580604.

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

The square root of 1133413123 is about 33666.2014934860. The cubic root of 1133413123 is about 1042.6280682358.

Adding to 1133413123 its reverse (3213143311), we get a palindrome (4346556434).

The spelling of 1133413123 in words is "one billion, one hundred thirty-three million, four hundred thirteen thousand, one hundred twenty-three".