201123103111230 has 32 divisors (see below), whose sum is σ = 489493974901248. Its totient is φ = 52877435559200.

The previous prime is 201123103111219. The next prime is 201123103111277. The reversal of 201123103111230 is 32111301321102.

It is a super-2 number, since 2×201123103111230² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201123103111197 and 201123103111206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47211993906 + ... + 47211998165.

It is an arithmetic number, because the mean of its divisors is an integer number (15296686715664).

Almost surely, 2^{201123103111230} is an apocalyptic number.

201123103111230 is an abundant number, since it is smaller than the sum of its proper divisors (288370871790018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201123103111230 is a wasteful number, since it uses less digits than its factorization.

201123103111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94423992152.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 201123103111230 its reverse (32111301321102), we get a palindrome (233234404432332).

The spelling of 201123103111230 in words is "two hundred one trillion, one hundred twenty-three billion, one hundred three million, one hundred eleven thousand, two hundred thirty".