1004215423321 has 4 divisors (see below), whose sum is σ = 1095507734544. Its totient is φ = 912923112100.

The previous prime is 1004215423297. The next prime is 1004215423333. The reversal of 1004215423321 is 1233245124001.

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 1004215423321 - 2²⁵ = 1004181868889 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 1004215423321.

It is not an unprimeable number, because it can be changed into a prime (1004215423391) 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, 45646155595 + ... + 45646155616.

It is an arithmetic number, because the mean of its divisors is an integer number (273876933636).

Almost surely, 2^{1004215423321} is an apocalyptic number.

1004215423321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1004215423321 is a deficient number, since it is larger than the sum of its proper divisors (91292311223).

1004215423321 is an equidigital number, since it uses as much as digits as its factorization.

1004215423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91292311222.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 1004215423321 in words is "one trillion, four billion, two hundred fifteen million, four hundred twenty-three thousand, three hundred twenty-one".