223123203122 has 8 divisors (see below), whose sum is σ = 334942853916. Its totient is φ = 111475585152.

The previous prime is 223123203119. The next prime is 223123203223. The reversal of 223123203122 is 221302321322.

It can be written as a sum of positive squares in 2 ways, for example, as 166855093441 + 56268109681 = 408479^2 + 237209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×223123203122³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43004963 + ... + 43010150.

Almost surely, 2^223123203122 is an apocalyptic number.

223123203122 is a deficient number, since it is larger than the sum of its proper divisors (111819650794).

223123203122 is a wasteful number, since it uses less digits than its factorization.

223123203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86016412.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223123203122 its reverse (221302321322), we get a palindrome (444425524444).

The spelling of 223123203122 in words is "two hundred twenty-three billion, one hundred twenty-three million, two hundred three thousand, one hundred twenty-two".