1550512034023 has 4 divisors (see below), whose sum is σ = 1550515480480. Its totient is φ = 1550508587568.

The previous prime is 1550512034009. The next prime is 1550512034069. The reversal of 1550512034023 is 3204302150551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550512034023 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 (1550512034923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925215 + ... + 1989232.

It is an arithmetic number, because the mean of its divisors is an integer number (387628870120).

Almost surely, 2^{1550512034023} is an apocalyptic number.

1550512034023 is a deficient number, since it is larger than the sum of its proper divisors (3446457).

1550512034023 is an equidigital number, since it uses as much as digits as its factorization.

1550512034023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446456.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 1550512034023 its reverse (3204302150551), we get a palindrome (4754814184574).

The spelling of 1550512034023 in words is "one trillion, five hundred fifty billion, five hundred twelve million, thirty-four thousand, twenty-three".