1230233123 has 4 divisors (see below), whose sum is σ = 1405980720. Its totient is φ = 1054485528.

The previous prime is 1230233119. The next prime is 1230233129. The reversal of 1230233123 is 3213320321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230233123 - 2² = 1230233119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230233095 and 1230233104.

It is not an unprimeable number, because it can be changed into a prime (1230233129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87873788 + ... + 87873801.

It is an arithmetic number, because the mean of its divisors is an integer number (351495180).

Almost surely, 2^1230233123 is an apocalyptic number.

1230233123 is a deficient number, since it is larger than the sum of its proper divisors (175747597).

1230233123 is an equidigital number, since it uses as much as digits as its factorization.

1230233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175747596.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1230233123 is about 35074.6792287542. The cubic root of 1230233123 is about 1071.5089558221.

Adding to 1230233123 its reverse (3213320321), we get a palindrome (4443553444).

The spelling of 1230233123 in words is "one billion, two hundred thirty million, two hundred thirty-three thousand, one hundred twenty-three".