223212030323 has 4 divisors (see below), whose sum is σ = 226355861808. Its totient is φ = 220068198840.

The previous prime is 223212030319. The next prime is 223212030337. The reversal of 223212030323 is 323030212322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323030212322 = 2 ⋅161515106161.

It is a cyclic number.

It is not a de Polignac number, because 223212030323 - 2² = 223212030319 is a prime.

It is a super-3 number, since 3×223212030323³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223212030623) 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, 1571915636 + ... + 1571915777.

It is an arithmetic number, because the mean of its divisors is an integer number (56588965452).

Almost surely, 2^223212030323 is an apocalyptic number.

223212030323 is a deficient number, since it is larger than the sum of its proper divisors (3143831485).

223212030323 is an equidigital number, since it uses as much as digits as its factorization.

223212030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143831484.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 223212030323 its reverse (323030212322), we get a palindrome (546242242645).

The spelling of 223212030323 in words is "two hundred twenty-three billion, two hundred twelve million, thirty thousand, three hundred twenty-three".