1123410011 has 4 divisors (see below), whose sum is σ = 1125055512. Its totient is φ = 1121764512.

The previous prime is 1123409993. The next prime is 1123410049. The reversal of 1123410011 is 1100143211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1100143211 = 17327 ⋅63493.

It is a cyclic number.

It is not a de Polignac number, because 1123410011 - 2¹⁴ = 1123393627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123410811) 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, 821726 + ... + 823091.

It is an arithmetic number, because the mean of its divisors is an integer number (281263878).

Almost surely, 2^1123410011 is an apocalyptic number.

1123410011 is a deficient number, since it is larger than the sum of its proper divisors (1645501).

1123410011 is an equidigital number, since it uses as much as digits as its factorization.

1123410011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645500.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1123410011 is about 33517.3091252863. The cubic root of 1123410011 is about 1039.5517086041.

Adding to 1123410011 its reverse (1100143211), we get a palindrome (2223553222).

The spelling of 1123410011 in words is "one billion, one hundred twenty-three million, four hundred ten thousand, eleven".