1004255551323 has 20 divisors (see below), whose sum is σ = 1500343431048. Its totient is φ = 669432647520.

The previous prime is 1004255551291. The next prime is 1004255551331. The reversal of 1004255551323 is 3231555524001.

1004255551323 is a `hidden beast` number, since 10 + 0 + 42 + 55 + 551 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 1004255551323 - 2⁵ = 1004255551291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004255551333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115615 + ... + 1421927.

Almost surely, 2^{1004255551323} is an apocalyptic number.

1004255551323 is a deficient number, since it is larger than the sum of its proper divisors (496087879725).

1004255551323 is an equidigital number, since it uses as much as digits as its factorization.

1004255551323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315816 (or 1315807 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1004255551323 in words is "one trillion, four billion, two hundred fifty-five million, five hundred fifty-one thousand, three hundred twenty-three".