1004023144553 has 16 divisors (see below), whose sum is σ = 1179635740416. Its totient is φ = 842476851840.

The previous prime is 1004023144549. The next prime is 1004023144561. The reversal of 1004023144553 is 3554413204001.

It is not a de Polignac number, because 1004023144553 - 2² = 1004023144549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1004023144573) 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, 1822925 + ... + 2308917.

It is an arithmetic number, because the mean of its divisors is an integer number (73727233776).

Almost surely, 2^{1004023144553} is an apocalyptic number.

1004023144553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1004023144553 is a deficient number, since it is larger than the sum of its proper divisors (175612595863).

1004023144553 is a wasteful number, since it uses less digits than its factorization.

1004023144553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500464.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1004023144553 its reverse (3554413204001), we get a palindrome (4558436348554).

The spelling of 1004023144553 in words is "one trillion, four billion, twenty-three million, one hundred forty-four thousand, five hundred fifty-three".