223012302309 has 12 divisors (see below), whose sum is σ = 322168095756. Its totient is φ = 148656769152.

The previous prime is 223012302299. The next prime is 223012302319. The reversal of 223012302309 is 903203210322.

223012302309 is a `hidden beast` number, since 2 + 230 + 123 + 0 + 2 + 309 = 666.

It is an interprime number because it is at equal distance from previous prime (223012302299) and next prime (223012302319).

It can be written as a sum of positive squares in 2 ways, for example, as 100221630084 + 122790672225 = 316578^2 + 350415^2 .

It is not a de Polignac number, because 223012302309 - 2¹² = 223012298213 is a prime.

It is a super-5 number, since 5×223012302309⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012302319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1430004 + ... + 1578269.

It is an arithmetic number, because the mean of its divisors is an integer number (26847341313).

Almost surely, 2^223012302309 is an apocalyptic number.

It is an amenable number.

223012302309 is a deficient number, since it is larger than the sum of its proper divisors (99155793447).

223012302309 is a wasteful number, since it uses less digits than its factorization.

223012302309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016516 (or 3016513 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The spelling of 223012302309 in words is "two hundred twenty-three billion, twelve million, three hundred two thousand, three hundred nine".