1123821352 has 16 divisors (see below), whose sum is σ = 2107696500. Its totient is φ = 561768960.

The previous prime is 1123821343. The next prime is 1123821451. The reversal of 1123821352 is 2531283211.

It can be written as a sum of positive squares in 2 ways, for example, as 933546916 + 190274436 = 30554^2 + 13794^2 .

It is a super-2 number, since 2×1123821352² = 2525948862422215808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123821352.

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, 20952 + ... + 51832.

Almost surely, 2^1123821352 is an apocalyptic number.

It is an amenable number.

1123821352 is a deficient number, since it is larger than the sum of its proper divisors (983875148).

1123821352 is a wasteful number, since it uses less digits than its factorization.

1123821352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35436 (or 35432 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1123821352 is about 33523.4448110572. Note that the first 3 decimals coincide. The cubic root of 1123821352 is about 1039.6785717724.

The spelling of 1123821352 in words is "one billion, one hundred twenty-three million, eight hundred twenty-one thousand, three hundred fifty-two".