1123434121223 has 8 divisors (see below), whose sum is σ = 1133184297168. Its totient is φ = 1113721374784.

The previous prime is 1123434121189. The next prime is 1123434121231. The reversal of 1123434121223 is 3221214343211.

It is a happy number.

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

It is not a de Polignac number, because 1123434121223 - 2¹⁶ = 1123434055687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123434121723) 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, 9297086 + ... + 9417147.

It is an arithmetic number, because the mean of its divisors is an integer number (141648037146).

Almost surely, 2^{1123434121223} is an apocalyptic number.

1123434121223 is a deficient number, since it is larger than the sum of its proper divisors (9750175945).

1123434121223 is a wasteful number, since it uses less digits than its factorization.

1123434121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714753.

The product of its digits is 6912, while the sum is 29.

Adding to 1123434121223 its reverse (3221214343211), we get a palindrome (4344648464434).

The spelling of 1123434121223 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred twenty-three".