1123039232 has 216 divisors, whose sum is σ = 2845795680. Its totient is φ = 441262080.

The previous prime is 1123039231. The next prime is 1123039243. The reversal of 1123039232 is 2329303211.

It is a super-2 number, since 2×1123039232² = 2522434233222299648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123039231) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36227057 + ... + 36227087.

It is an arithmetic number, because the mean of its divisors is an integer number (13174980).

Almost surely, 2^1123039232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123039232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422897840).

1123039232 is an abundant number, since it is smaller than the sum of its proper divisors (1722756448).

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

1123039232 is an equidigital number, since it uses as much as digits as its factorization.

1123039232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1123039232 is about 33511.7775117943. Note that the first 3 decimals coincide. The cubic root of 1123039232 is about 1039.4373287690.

The spelling of 1123039232 in words is "one billion, one hundred twenty-three million, thirty-nine thousand, two hundred thirty-two".