103550521311623 has 4 divisors (see below), whose sum is σ = 103616101124040. Its totient is φ = 103484941499208.

The previous prime is 103550521311599. The next prime is 103550521311637. The reversal of 103550521311623 is 326113125055301.

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 103550521311623 - 2²⁸ = 103550252876167 is a prime.

It is a super-3 number, since 3×103550521311623³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103550521311023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32789903840 + ... + 32789906997.

It is an arithmetic number, because the mean of its divisors is an integer number (25904025281010).

Almost surely, 2^{103550521311623} is an apocalyptic number.

103550521311623 is a deficient number, since it is larger than the sum of its proper divisors (65579812417).

103550521311623 is an equidigital number, since it uses as much as digits as its factorization.

103550521311623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65579812416.

The product of its (nonzero) digits is 81000, while the sum is 38.

Adding to 103550521311623 its reverse (326113125055301), we get a palindrome (429663646366924).

The spelling of 103550521311623 in words is "one hundred three trillion, five hundred fifty billion, five hundred twenty-one million, three hundred eleven thousand, six hundred twenty-three".