1123203230109 has 12 divisors (see below), whose sum is σ = 1666253440956. Its totient is φ = 728564257152.

The previous prime is 1123203230069. The next prime is 1123203230117. The reversal of 1123203230109 is 9010323023211.

1123203230109 is a `hidden beast` number, since 1 + 1 + 2 + 320 + 3 + 230 + 109 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 476058600900 + 647144629209 = 689970^2 + 804453^2 .

It is not a de Polignac number, because 1123203230109 - 2¹⁵ = 1123203197341 is a prime.

It is a super-2 number, since 2×1123203230109² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123203230189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686491004 + ... + 1686491669.

It is an arithmetic number, because the mean of its divisors is an integer number (138854453413).

Almost surely, 2^{1123203230109} is an apocalyptic number.

It is an amenable number.

1123203230109 is a deficient number, since it is larger than the sum of its proper divisors (543050210847).

1123203230109 is a wasteful number, since it uses less digits than its factorization.

1123203230109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372982716 (or 3372982713 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 1123203230109 in words is "one trillion, one hundred twenty-three billion, two hundred three million, two hundred thirty thousand, one hundred nine".