100133020123 has 4 divisors (see below), whose sum is σ = 100137838248. Its totient is φ = 100128202000.

The previous prime is 100133020121. The next prime is 100133020157. The reversal of 100133020123 is 321020331001.

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 100133020123 - 2¹ = 100133020121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100133020097 and 100133020106.

It is not an unprimeable number, because it can be changed into a prime (100133020121) 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, 2377753 + ... + 2419498.

It is an arithmetic number, because the mean of its divisors is an integer number (25034459562).

Almost surely, 2^100133020123 is an apocalyptic number.

100133020123 is a deficient number, since it is larger than the sum of its proper divisors (4818125).

100133020123 is an equidigital number, since it uses as much as digits as its factorization.

100133020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818124.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 100133020123 its reverse (321020331001), we get a palindrome (421153351124).

The spelling of 100133020123 in words is "one hundred billion, one hundred thirty-three million, twenty thousand, one hundred twenty-three".