201333230123 has 16 divisors (see below), whose sum is σ = 214647459840. Its totient is φ = 188419312224.

The previous prime is 201333230107. The next prime is 201333230201. The reversal of 201333230123 is 321032333102.

It is a cyclic number.

It is not a de Polignac number, because 201333230123 - 2⁴ = 201333230107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201333236123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207590 + ... + 667652.

It is an arithmetic number, because the mean of its divisors is an integer number (13415466240).

Almost surely, 2^201333230123 is an apocalyptic number.

201333230123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201333230123 is a deficient number, since it is larger than the sum of its proper divisors (13314229717).

201333230123 is a wasteful number, since it uses less digits than its factorization.

201333230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460498.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 201333230123 its reverse (321032333102), we get a palindrome (522365563225).

The spelling of 201333230123 in words is "two hundred one billion, three hundred thirty-three million, two hundred thirty thousand, one hundred twenty-three".