1231223324 has 6 divisors (see below), whose sum is σ = 2154640824. Its totient is φ = 615611660.

The previous prime is 1231223321. The next prime is 1231223353. The reversal of 1231223324 is 4233221321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231223324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231223321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153902912 + ... + 153902919.

It is an arithmetic number, because the mean of its divisors is an integer number (359106804).

Almost surely, 2^1231223324 is an apocalyptic number.

It is an amenable number.

1231223324 is a deficient number, since it is larger than the sum of its proper divisors (923417500).

1231223324 is a wasteful number, since it uses less digits than its factorization.

1231223324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307805835 (or 307805833 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 1231223324 is about 35088.7919997255. The cubic root of 1231223324 is about 1071.7963606188.

Adding to 1231223324 its reverse (4233221321), we get a palindrome (5464444645).

The spelling of 1231223324 in words is "one billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty-four".