1231223244 has 12 divisors (see below), whose sum is σ = 2872854264. Its totient is φ = 410407744.

The previous prime is 1231223179. The next prime is 1231223251. The reversal of 1231223244 is 4423221321.

It is a happy number.

1231223244 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51300957 + ... + 51300980.

It is an arithmetic number, because the mean of its divisors is an integer number (239404522).

Almost surely, 2^1231223244 is an apocalyptic number.

It is an amenable number.

1231223244 is an abundant number, since it is smaller than the sum of its proper divisors (1641631020).

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

1231223244 is a wasteful number, since it uses less digits than its factorization.

1231223244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102601944 (or 102601942 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 1231223244 is about 35088.7908597603. The cubic root of 1231223244 is about 1071.7963374051.

Adding to 1231223244 its reverse (4423221321), we get a palindrome (5654444565).

The spelling of 1231223244 in words is "one billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred forty-four".