201030444123 has 8 divisors (see below), whose sum is σ = 268077699600. Its totient is φ = 134001742368.

The previous prime is 201030444067. The next prime is 201030444211. The reversal of 201030444123 is 321444030102.

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

It is not a de Polignac number, because 201030444123 - 2²¹ = 201028346971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201030444093 and 201030444102.

It is not an unprimeable number, because it can be changed into a prime (201030445123) 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, 4613128 + ... + 4656501.

It is an arithmetic number, because the mean of its divisors is an integer number (33509712450).

Almost surely, 2^201030444123 is an apocalyptic number.

201030444123 is a deficient number, since it is larger than the sum of its proper divisors (67047255477).

201030444123 is an equidigital number, since it uses as much as digits as its factorization.

201030444123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9276861.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201030444123 its reverse (321444030102), we get a palindrome (522474474225).

The spelling of 201030444123 in words is "two hundred one billion, thirty million, four hundred forty-four thousand, one hundred twenty-three".