1232123226 has 32 divisors (see below), whose sum is σ = 2537136000. Its totient is φ = 398661120.

The previous prime is 1232123219. The next prime is 1232123227. The reversal of 1232123226 is 6223212321.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1232123196 and 1232123205.

It is not an unprimeable number, because it can be changed into a prime (1232123227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36370 + ... + 61538.

It is an arithmetic number, because the mean of its divisors is an integer number (79285500).

Almost surely, 2^1232123226 is an apocalyptic number.

1232123226 is an abundant number, since it is smaller than the sum of its proper divisors (1305012774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1232123226 is a wasteful number, since it uses less digits than its factorization.

1232123226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25414.

The product of its digits is 1728, while the sum is 24.

The square root of 1232123226 is about 35101.6128689267. The cubic root of 1232123226 is about 1072.0574225989.

Adding to 1232123226 its reverse (6223212321), we get a palindrome (7455335547).

The spelling of 1232123226 in words is "one billion, two hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-six".