1123301123 has 4 divisors (see below), whose sum is σ = 1283772720. Its totient is φ = 962829528.

The previous prime is 1123301119. The next prime is 1123301143. The reversal of 1123301123 is 3211033211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211033211 = 251 ⋅12792961.

It is a cyclic number.

It is not a de Polignac number, because 1123301123 - 2² = 1123301119 is a prime.

It is a super-2 number, since 2×1123301123² = 2523610825866122258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123301143) 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, 80235788 + ... + 80235801.

It is an arithmetic number, because the mean of its divisors is an integer number (320943180).

Almost surely, 2^1123301123 is an apocalyptic number.

1123301123 is a deficient number, since it is larger than the sum of its proper divisors (160471597).

1123301123 is an equidigital number, since it uses as much as digits as its factorization.

1123301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160471596.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1123301123 is about 33515.6847311822. The cubic root of 1123301123 is about 1039.5181208779.

Adding to 1123301123 its reverse (3211033211), we get a palindrome (4334334334).

The spelling of 1123301123 in words is "one billion, one hundred twenty-three million, three hundred one thousand, one hundred twenty-three".