223133340021 has 16 divisors (see below), whose sum is σ = 300594153600. Its totient is φ = 147215914560.

The previous prime is 223133339959. The next prime is 223133340037. The reversal of 223133340021 is 120043331322.

It is not a de Polignac number, because 223133340021 - 2⁹ = 223133339509 is a prime.

It is a super-3 number, since 3×223133340021³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223133339973 and 223133340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223133341021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245551 + ... + 711731.

It is an arithmetic number, because the mean of its divisors is an integer number (18787134600).

Almost surely, 2^223133340021 is an apocalyptic number.

It is an amenable number.

223133340021 is a deficient number, since it is larger than the sum of its proper divisors (77460813579).

223133340021 is a wasteful number, since it uses less digits than its factorization.

223133340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467836.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 223133340021 its reverse (120043331322), we get a palindrome (343176671343).

The spelling of 223133340021 in words is "two hundred twenty-three billion, one hundred thirty-three million, three hundred forty thousand, twenty-one".