1123090093 has 4 divisors (see below), whose sum is σ = 1141501468. Its totient is φ = 1104678720.

The previous prime is 1123090079. The next prime is 1123090099. The reversal of 1123090093 is 3900903211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 535367044 + 587723049 = 23138^2 + 24243^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123090093 - 2²⁹ = 586219181 is a prime.

It is a super-2 number, since 2×1123090093² = 2522662713989497298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123090099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9205596 + ... + 9205717.

It is an arithmetic number, because the mean of its divisors is an integer number (285375367).

Almost surely, 2^1123090093 is an apocalyptic number.

It is an amenable number.

1123090093 is a deficient number, since it is larger than the sum of its proper divisors (18411375).

1123090093 is an equidigital number, since it uses as much as digits as its factorization.

1123090093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18411374.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 1123090093 is about 33512.5363558177. The cubic root of 1123090093 is about 1039.4530201246.

The spelling of 1123090093 in words is "one billion, one hundred twenty-three million, ninety thousand, ninety-three".