223145341223533 has 4 divisors (see below), whose sum is σ = 223445671427808. Its totient is φ = 222845011019260.

The previous prime is 223145341223531. The next prime is 223145341223557. The reversal of 223145341223533 is 335322143541322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223145341223533 - 2¹ = 223145341223531 is a prime.

It is a super-3 number, since 3×223145341223533³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223145341223533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223145341223531) 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, 150165101023 + ... + 150165102508.

It is an arithmetic number, because the mean of its divisors is an integer number (55861417856952).

Almost surely, 2^{223145341223533} is an apocalyptic number.

It is an amenable number.

223145341223533 is a deficient number, since it is larger than the sum of its proper divisors (300330204275).

223145341223533 is an equidigital number, since it uses as much as digits as its factorization.

223145341223533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300330204274.

The product of its digits is 1555200, while the sum is 43.

Adding to 223145341223533 its reverse (335322143541322), we get a palindrome (558467484764855).

The spelling of 223145341223533 in words is "two hundred twenty-three trillion, one hundred forty-five billion, three hundred forty-one million, two hundred twenty-three thousand, five hundred thirty-three".