1231000323 has 32 divisors (see below), whose sum is σ = 1992975360. Its totient is φ = 660804480.

The previous prime is 1231000289. The next prime is 1231000349. The reversal of 1231000323 is 3230001321.

It is not a de Polignac number, because 1231000323 - 2¹⁴ = 1230983939 is a prime.

It is a super-2 number, since 2×1231000323² = 3030723590452208658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1231000373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4783 + ... + 49848.

It is an arithmetic number, because the mean of its divisors is an integer number (62280480).

Almost surely, 2^1231000323 is an apocalyptic number.

1231000323 is a deficient number, since it is larger than the sum of its proper divisors (761975037).

1231000323 is a wasteful number, since it uses less digits than its factorization.

1231000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54707.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1231000323 is about 35085.6141887241. The cubic root of 1231000323 is about 1071.7316482613.

Adding to 1231000323 its reverse (3230001321), we get a palindrome (4461001644).

The spelling of 1231000323 in words is "one billion, two hundred thirty-one million, three hundred twenty-three", and thus it is an aban number.