1231234323 has 16 divisors (see below), whose sum is σ = 1800271872. Its totient is φ = 742292000.

The previous prime is 1231234307. The next prime is 1231234331. The reversal of 1231234323 is 3234321321.

It is a cyclic number.

It is not a de Polignac number, because 1231234323 - 2⁴ = 1231234307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231234293 and 1231234302.

It is not an unprimeable number, because it can be changed into a prime (1231234363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91368 + ... + 103973.

It is an arithmetic number, because the mean of its divisors is an integer number (112516992).

Almost surely, 2^1231234323 is an apocalyptic number.

1231234323 is a deficient number, since it is larger than the sum of its proper divisors (569037549).

1231234323 is a wasteful number, since it uses less digits than its factorization.

1231234323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195546.

The product of its digits is 2592, while the sum is 24.

The square root of 1231234323 is about 35088.9487303339. The cubic root of 1231234323 is about 1071.7995522015.

Adding to 1231234323 its reverse (3234321321), we get a palindrome (4465555644).

The spelling of 1231234323 in words is "one billion, two hundred thirty-one million, two hundred thirty-four thousand, three hundred twenty-three".