1550531453423 has 4 divisors (see below), whose sum is σ = 1557186095088. Its totient is φ = 1543876811760.

The previous prime is 1550531453411. The next prime is 1550531453453. The reversal of 1550531453423 is 3243541350551.

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 1550531453423 - 2³⁴ = 1533351584239 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 (1550531453453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3327320483 + ... + 3327320948.

It is an arithmetic number, because the mean of its divisors is an integer number (389296523772).

Almost surely, 2^{1550531453423} is an apocalyptic number.

1550531453423 is a deficient number, since it is larger than the sum of its proper divisors (6654641665).

1550531453423 is an equidigital number, since it uses as much as digits as its factorization.

1550531453423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6654641664.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 1550531453423 in words is "one trillion, five hundred fifty billion, five hundred thirty-one million, four hundred fifty-three thousand, four hundred twenty-three".