1123423230011 has 8 divisors (see below), whose sum is σ = 1127967000048. Its totient is φ = 1118880000000.

The previous prime is 1123423229959. The next prime is 1123423230079. The reversal of 1123423230011 is 1100323243211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123423230011 is a prime.

It is a super-2 number, since 2×1123423230011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123423230211) 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, 4332011 + ... + 4584011.

It is an arithmetic number, because the mean of its divisors is an integer number (140995875006).

Almost surely, 2^{1123423230011} is an apocalyptic number.

1123423230011 is a deficient number, since it is larger than the sum of its proper divisors (4543770037).

1123423230011 is a wasteful number, since it uses less digits than its factorization.

1123423230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270013.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1123423230011 its reverse (1100323243211), we get a palindrome (2223746473222).

The spelling of 1123423230011 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, two hundred thirty thousand, eleven".