1230331123 has 16 divisors (see below), whose sum is σ = 1509209280. Its totient is φ = 978932736.

The previous prime is 1230331099. The next prime is 1230331127. The reversal of 1230331123 is 3211330321.

It is a cyclic number.

It is not a de Polignac number, because 1230331123 - 2⁹ = 1230330611 is a prime.

It is a super-2 number, since 2×1230331123² = 3027429344444882258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230331123.

It is not an unprimeable number, because it can be changed into a prime (1230331127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62128 + ... + 79501.

It is an arithmetic number, because the mean of its divisors is an integer number (94325580).

Almost surely, 2^1230331123 is an apocalyptic number.

1230331123 is a deficient number, since it is larger than the sum of its proper divisors (278878157).

1230331123 is a wasteful number, since it uses less digits than its factorization.

1230331123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141726.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1230331123 is about 35076.0762201247. The cubic root of 1230331123 is about 1071.5374070935.

Adding to 1230331123 its reverse (3211330321), we get a palindrome (4441661444).

The spelling of 1230331123 in words is "one billion, two hundred thirty million, three hundred thirty-one thousand, one hundred twenty-three".