306423103443223 has 32 divisors (see below), whose sum is σ = 340721959398912. Its totient is φ = 273811455561600.

The previous prime is 306423103443221. The next prime is 306423103443251. The reversal of 306423103443223 is 322344301324603.

It is a cyclic number.

It is not a de Polignac number, because 306423103443223 - 2¹ = 306423103443221 is a prime.

It is a super-2 number, since 2×306423103443223² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306423103443221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55322790 + ... + 60609052.

It is an arithmetic number, because the mean of its divisors is an integer number (10647561231216).

Almost surely, 2^{306423103443223} is an apocalyptic number.

306423103443223 is a deficient number, since it is larger than the sum of its proper divisors (34298855955689).

306423103443223 is a wasteful number, since it uses less digits than its factorization.

306423103443223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287495.

The product of its (nonzero) digits is 746496, while the sum is 40.

Adding to 306423103443223 its reverse (322344301324603), we get a palindrome (628767404767826).

The spelling of 306423103443223 in words is "three hundred six trillion, four hundred twenty-three billion, one hundred three million, four hundred forty-three thousand, two hundred twenty-three".