1123817153 has 8 divisors (see below), whose sum is σ = 1134767400. Its totient is φ = 1112912640.

The previous prime is 1123817143. The next prime is 1123817173. The reversal of 1123817153 is 3517183211.

It can be written as a sum of positive squares in 4 ways, for example, as 12794929 + 1111022224 = 3577^2 + 33332^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123817153 - 2⁶ = 1123817089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1123817143) 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, 39023 + ... + 61403.

It is an arithmetic number, because the mean of its divisors is an integer number (141845925).

Almost surely, 2^1123817153 is an apocalyptic number.

It is an amenable number.

1123817153 is a deficient number, since it is larger than the sum of its proper divisors (10950247).

1123817153 is a wasteful number, since it uses less digits than its factorization.

1123817153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22867.

The product of its digits is 5040, while the sum is 32.

The square root of 1123817153 is about 33523.3821831867. The cubic root of 1123817153 is about 1039.6772769000.

The spelling of 1123817153 in words is "one billion, one hundred twenty-three million, eight hundred seventeen thousand, one hundred fifty-three".