1231223323 has 8 divisors (see below), whose sum is σ = 1344798576. Its totient is φ = 1117922400.

The previous prime is 1231223321. The next prime is 1231223353. The reversal of 1231223323 is 3233221321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231223323 - 2¹ = 1231223321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231223294 and 1231223303.

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 in 7 ways as a sum of consecutive naturals, for example, 59136 + ... + 77197.

It is an arithmetic number, because the mean of its divisors is an integer number (168099822).

Almost surely, 2^1231223323 is an apocalyptic number.

1231223323 is a deficient number, since it is larger than the sum of its proper divisors (113575253).

1231223323 is a wasteful number, since it uses less digits than its factorization.

1231223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137165.

The product of its digits is 1296, while the sum is 22.

The square root of 1231223323 is about 35088.7919854759. The cubic root of 1231223323 is about 1071.7963603287.

Adding to 1231223323 its reverse (3233221321), we get a palindrome (4464444644).

The spelling of 1231223323 in words is "one billion, two hundred thirty-one million, two hundred twenty-three thousand, three hundred twenty-three".