1230020323 has 4 divisors (see below), whose sum is σ = 1405737520. Its totient is φ = 1054303128.

The previous prime is 1230020321. The next prime is 1230020339. The reversal of 1230020323 is 3230200321.

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 1230020323 - 2¹ = 1230020321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230020297 and 1230020306.

It is not an unprimeable number, because it can be changed into a prime (1230020321) 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, 87858588 + ... + 87858601.

It is an arithmetic number, because the mean of its divisors is an integer number (351434380).

Almost surely, 2^1230020323 is an apocalyptic number.

1230020323 is a deficient number, since it is larger than the sum of its proper divisors (175717197).

1230020323 is an equidigital number, since it uses as much as digits as its factorization.

1230020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175717196.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1230020323 is about 35071.6455701753. The cubic root of 1230020323 is about 1071.4471707154.

Adding to 1230020323 its reverse (3230200321), we get a palindrome (4460220644).

It can be divided in two parts, 12300 and 20323, that added together give a palindrome (32623).

The spelling of 1230020323 in words is "one billion, two hundred thirty million, twenty thousand, three hundred twenty-three".