1000233221223 has 4 divisors (see below), whose sum is σ = 1333644294968. Its totient is φ = 666822147480.

The previous prime is 1000233221213. The next prime is 1000233221227. The reversal of 1000233221223 is 3221223320001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1000233221223 - 2³³ = 991643286631 is a prime.

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 1000233221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000233221227) 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, 166705536868 + ... + 166705536873.

It is an arithmetic number, because the mean of its divisors is an integer number (333411073742).

Almost surely, 2^{1000233221223} is an apocalyptic number.

1000233221223 is a deficient number, since it is larger than the sum of its proper divisors (333411073745).

1000233221223 is an equidigital number, since it uses as much as digits as its factorization.

1000233221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333411073744.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1000233221223 its reverse (3221223320001), we get a palindrome (4221456541224).

The spelling of 1000233221223 in words is "one trillion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-three".