1123423411 has 12 divisors (see below), whose sum is σ = 1264960872. Its totient is φ = 996380000.

The previous prime is 1123423409. The next prime is 1123423447. The reversal of 1123423411 is 1143243211.

It is not a de Polignac number, because 1123423411 - 2¹ = 1123423409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123423211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108265 + ... + 118186.

It is an arithmetic number, because the mean of its divisors is an integer number (105413406).

Almost surely, 2^1123423411 is an apocalyptic number.

1123423411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123423411 is a deficient number, since it is larger than the sum of its proper divisors (141537461).

1123423411 is a wasteful number, since it uses less digits than its factorization.

1123423411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226514 (or 226503 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1123423411 is about 33517.5090214055. The cubic root of 1123423411 is about 1039.5558418346. Note that the first 3 decimals are identical.

Adding to 1123423411 its reverse (1143243211), we get a palindrome (2266666622).

The spelling of 1123423411 in words is "one billion, one hundred twenty-three million, four hundred twenty-three thousand, four hundred eleven".