100273323987 has 6 divisors (see below), whose sum is σ = 144839245772. Its totient is φ = 66848882652.

The previous prime is 100273323979. The next prime is 100273324003. The reversal of 100273323987 is 789323372001.

It is not a de Polignac number, because 100273323987 - 2³ = 100273323979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100273323967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5570740213 + ... + 5570740230.

Almost surely, 2^100273323987 is an apocalyptic number.

100273323987 is a deficient number, since it is larger than the sum of its proper divisors (44565921785).

100273323987 is a wasteful number, since it uses less digits than its factorization.

100273323987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141480449 (or 11141480446 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

Adding to 100273323987 its reverse (789323372001), we get a palindrome (889596695988).

The spelling of 100273323987 in words is "one hundred billion, two hundred seventy-three million, three hundred twenty-three thousand, nine hundred eighty-seven".