1122231023 has 4 divisors (see below), whose sum is σ = 1127175000. Its totient is φ = 1117287048.

The previous prime is 1122231017. The next prime is 1122231059. The reversal of 1122231023 is 3201322211.

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 1122231023 - 2⁴ = 1122231007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122230992 and 1122231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122231083) 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, 2471648 + ... + 2472101.

It is an arithmetic number, because the mean of its divisors is an integer number (281793750).

Almost surely, 2^1122231023 is an apocalyptic number.

1122231023 is a deficient number, since it is larger than the sum of its proper divisors (4943977).

1122231023 is an equidigital number, since it uses as much as digits as its factorization.

1122231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943976.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1122231023 is about 33499.7167599966. The cubic root of 1122231023 is about 1039.1879209757.

Adding to 1122231023 its reverse (3201322211), we get a palindrome (4323553234).

The spelling of 1122231023 in words is "one billion, one hundred twenty-two million, two hundred thirty-one thousand, twenty-three".