1004231221223 has 4 divisors (see below), whose sum is σ = 1023178980168. Its totient is φ = 985283462280.

The previous prime is 1004231221193. The next prime is 1004231221241. The reversal of 1004231221223 is 3221221324001.

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

It is a cyclic number.

It is not a de Polignac number, because 1004231221223 - 2¹⁰ = 1004231220199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004251221223) 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, 9473879393 + ... + 9473879498.

It is an arithmetic number, because the mean of its divisors is an integer number (255794745042).

Almost surely, 2^{1004231221223} is an apocalyptic number.

1004231221223 is a deficient number, since it is larger than the sum of its proper divisors (18947758945).

1004231221223 is an equidigital number, since it uses as much as digits as its factorization.

1004231221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947758944.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1004231221223 its reverse (3221221324001), we get a palindrome (4225452545224).

The spelling of 1004231221223 in words is "one trillion, four billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred twenty-three".