1230323110202 has 4 divisors (see below), whose sum is σ = 1845484665306. Its totient is φ = 615161555100.

The previous prime is 1230323110199. The next prime is 1230323110207. The reversal of 1230323110202 is 2020113230321.

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

It can be written as a sum of positive squares in only one way, i.e., 1086553979641 + 143769130561 = 1042379^2 + 379169^2 .

It is not an unprimeable number, because it can be changed into a prime (1230323110207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307580777549 + ... + 307580777552.

Almost surely, 2^{1230323110202} is an apocalyptic number.

1230323110202 is a deficient number, since it is larger than the sum of its proper divisors (615161555104).

1230323110202 is an equidigital number, since it uses as much as digits as its factorization.

1230323110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615161555103.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1230323110202 its reverse (2020113230321), we get a palindrome (3250436340523).

The spelling of 1230323110202 in words is "one trillion, two hundred thirty billion, three hundred twenty-three million, one hundred ten thousand, two hundred two".