100030220123 has 4 divisors (see below), whose sum is σ = 100327046040. Its totient is φ = 99733394208.

The previous prime is 100030220107. The next prime is 100030220141. The reversal of 100030220123 is 321022030001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321022030001 = 453991 ⋅707111.

It is a cyclic number.

It is not a de Polignac number, because 100030220123 - 2⁴ = 100030220107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100030220098 and 100030220107.

It is not an unprimeable number, because it can be changed into a prime (100030220153) 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, 148412453 + ... + 148413126.

It is an arithmetic number, because the mean of its divisors is an integer number (25081761510).

Almost surely, 2^100030220123 is an apocalyptic number.

100030220123 is a deficient number, since it is larger than the sum of its proper divisors (296825917).

100030220123 is an equidigital number, since it uses as much as digits as its factorization.

100030220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296825916.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 100030220123 its reverse (321022030001), we get a palindrome (421052250124).

The spelling of 100030220123 in words is "one hundred billion, thirty million, two hundred twenty thousand, one hundred twenty-three".