201123240201 has 48 divisors (see below), whose sum is σ = 318874413312. Its totient is φ = 121389840000.

The previous prime is 201123240191. The next prime is 201123240233. The reversal of 201123240201 is 102042321102.

It is a happy number.

201123240201 is a `hidden beast` number, since 20 + 11 + 232 + 402 + 0 + 1 = 666.

It is not a de Polignac number, because 201123240201 - 2¹⁴ = 201123223817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201123240301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30697876 + ... + 30704426.

It is an arithmetic number, because the mean of its divisors is an integer number (6643216944).

Almost surely, 2^201123240201 is an apocalyptic number.

It is an amenable number.

201123240201 is a deficient number, since it is larger than the sum of its proper divisors (117751173111).

201123240201 is a wasteful number, since it uses less digits than its factorization.

201123240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574 (or 11571 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201123240201 its reverse (102042321102), we get a palindrome (303165561303).

The spelling of 201123240201 in words is "two hundred one billion, one hundred twenty-three million, two hundred forty thousand, two hundred one".