1123370018 has 8 divisors (see below), whose sum is σ = 1690371612. Its totient is φ = 559912816.

The previous prime is 1123370009. The next prime is 1123370021. The reversal of 1123370018 is 8100733211.

It can be written as a sum of positive squares in 2 ways, for example, as 1007872009 + 115498009 = 31747^2 + 10747^2 .

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

It is a Curzon 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, 885305 + ... + 886572.

Almost surely, 2^1123370018 is an apocalyptic number.

1123370018 is a deficient number, since it is larger than the sum of its proper divisors (567001594).

1123370018 is a wasteful number, since it uses less digits than its factorization.

1123370018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772196.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1123370018 is about 33516.7125177873. The cubic root of 1123370018 is about 1039.5393725664.

The spelling of 1123370018 in words is "one billion, one hundred twenty-three million, three hundred seventy thousand, eighteen".