1232230123 has 4 divisors (see below), whose sum is σ = 1297084360. Its totient is φ = 1167375888.

The previous prime is 1232230061. The next prime is 1232230141. The reversal of 1232230123 is 3210322321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3210322321 = 593 ⋅5413697.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232230123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 64854217 = 1232230123 / (1 + 2 + 3 + 2 + 2 + 3 + 0 + 1 + 2 + 3).

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 1232230123.

It is not an unprimeable number, because it can be changed into a prime (1232230183) 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 3 ways as a sum of consecutive naturals, for example, 32427090 + ... + 32427127.

It is an arithmetic number, because the mean of its divisors is an integer number (324271090).

Almost surely, 2^1232230123 is an apocalyptic number.

1232230123 is a deficient number, since it is larger than the sum of its proper divisors (64854237).

1232230123 is an equidigital number, since it uses as much as digits as its factorization.

1232230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64854236.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1232230123 is about 35103.1355152214. The cubic root of 1232230123 is about 1072.0884250197.

Adding to 1232230123 its reverse (3210322321), we get a palindrome (4442552444).

The spelling of 1232230123 in words is "one billion, two hundred thirty-two million, two hundred thirty thousand, one hundred twenty-three".