1123433012 has 12 divisors (see below), whose sum is σ = 2117239236. Its totient is φ = 518507520.

The previous prime is 1123432991. The next prime is 1123433021. The reversal of 1123433012 is 2103343211.

It can be written as a sum of positive squares in 2 ways, for example, as 651066256 + 472366756 = 25516^2 + 21734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10802189 + ... + 10802292.

It is an arithmetic number, because the mean of its divisors is an integer number (176436603).

Almost surely, 2^1123433012 is an apocalyptic number.

It is an amenable number.

1123433012 is a deficient number, since it is larger than the sum of its proper divisors (993806224).

1123433012 is a wasteful number, since it uses less digits than its factorization.

1123433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21604498 (or 21604496 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123433012 is about 33517.6522447501. The cubic root of 1123433012 is about 1039.5588032432.

Adding to 1123433012 its reverse (2103343211), we get a palindrome (3226776223).

The spelling of 1123433012 in words is "one billion, one hundred twenty-three million, four hundred thirty-three thousand, twelve".