223142312443 has 4 divisors (see below), whose sum is σ = 236268330840. Its totient is φ = 210016294048.

The previous prime is 223142312417. The next prime is 223142312489. The reversal of 223142312443 is 344213241322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344213241322 = 2 ⋅172106620661.

It is a cyclic number.

It is not a de Polignac number, because 223142312443 - 2¹⁷ = 223142181371 is a prime.

It is a super-3 number, since 3×223142312443³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223142312243) 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, 6563009173 + ... + 6563009206.

It is an arithmetic number, because the mean of its divisors is an integer number (59067082710).

Almost surely, 2^223142312443 is an apocalyptic number.

223142312443 is a deficient number, since it is larger than the sum of its proper divisors (13126018397).

223142312443 is a wasteful number, since it uses less digits than its factorization.

223142312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13126018396.

The product of its digits is 27648, while the sum is 31.

Adding to 223142312443 its reverse (344213241322), we get a palindrome (567355553765).

The spelling of 223142312443 in words is "two hundred twenty-three billion, one hundred forty-two million, three hundred twelve thousand, four hundred forty-three".