123011203300306 has 4 divisors (see below), whose sum is σ = 184516804950462. Its totient is φ = 61505601650152.

The previous prime is 123011203300273. The next prime is 123011203300351. The reversal of 123011203300306 is 603003302110321.

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., 85650564148081 + 37360639152225 = 9254759^2 + 6112335^2 .

It is a super-2 number, since 2×123011203300306² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30752800825075 + ... + 30752800825078.

Almost surely, 2^{123011203300306} is an apocalyptic number.

123011203300306 is a deficient number, since it is larger than the sum of its proper divisors (61505601650156).

123011203300306 is an equidigital number, since it uses as much as digits as its factorization.

123011203300306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61505601650155.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123011203300306 its reverse (603003302110321), we get a palindrome (726014505410627).

The spelling of 123011203300306 in words is "one hundred twenty-three trillion, eleven billion, two hundred three million, three hundred thousand, three hundred six".