15550305343423 has 8 divisors (see below), whose sum is σ = 15552407329200. Its totient is φ = 15548203522368.

The previous prime is 15550305343409. The next prime is 15550305343457. The reversal of 15550305343423 is 32434350305551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15550305343423 - 2¹³ = 15550305335231 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 15550305343423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15550305343123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443402733 + ... + 443437801.

It is an arithmetic number, because the mean of its divisors is an integer number (1944050916150).

Almost surely, 2^{15550305343423} is an apocalyptic number.

15550305343423 is a deficient number, since it is larger than the sum of its proper divisors (2101985777).

15550305343423 is a wasteful number, since it uses less digits than its factorization.

15550305343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82361.

The product of its (nonzero) digits is 1620000, while the sum is 43.

Adding to 15550305343423 its reverse (32434350305551), we get a palindrome (47984655648974).

The spelling of 15550305343423 in words is "fifteen trillion, five hundred fifty billion, three hundred five million, three hundred forty-three thousand, four hundred twenty-three".