223012203311 has 4 divisors (see below), whose sum is σ = 223014616272. Its totient is φ = 223009790352.

The previous prime is 223012203307. The next prime is 223012203329. The reversal of 223012203311 is 113302210322.

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 223012203311 - 2² = 223012203307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223012203301) 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, 1062086 + ... + 1254611.

It is an arithmetic number, because the mean of its divisors is an integer number (55753654068).

Almost surely, 2^223012203311 is an apocalyptic number.

223012203311 is a deficient number, since it is larger than the sum of its proper divisors (2412961).

223012203311 is an equidigital number, since it uses as much as digits as its factorization.

223012203311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412960.

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

Adding to 223012203311 its reverse (113302210322), we get a palindrome (336314413633).

The spelling of 223012203311 in words is "two hundred twenty-three billion, twelve million, two hundred three thousand, three hundred eleven".