1123343412 has 24 divisors (see below), whose sum is σ = 2647089312. Its totient is φ = 370740000.

The previous prime is 1123343411. The next prime is 1123343467. The reversal of 1123343412 is 2143433211.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123343411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462214 + ... + 464637.

It is an arithmetic number, because the mean of its divisors is an integer number (110295388).

Almost surely, 2^1123343412 is an apocalyptic number.

1123343412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123343412 is an abundant number, since it is smaller than the sum of its proper divisors (1523745900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123343412 is a wasteful number, since it uses less digits than its factorization.

1123343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926959 (or 926957 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1123343412 is about 33516.3156089687. The cubic root of 1123343412 is about 1039.5311656526.

Adding to 1123343412 its reverse (2143433211), we get a palindrome (3266776623).

It can be divided in two parts, 11233 and 43412, that added together give a palindrome (54645).

The spelling of 1123343412 in words is "one billion, one hundred twenty-three million, three hundred forty-three thousand, four hundred twelve".