201123230242 has 8 divisors (see below), whose sum is σ = 329110740432. Its totient is φ = 91419650100.

The previous prime is 201123230227. The next prime is 201123230257. The reversal of 201123230242 is 242032321102.

201123230242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201123230227) and next prime (201123230257).

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9141965011 = 201123230242 / (2 + 0 + 1 + 1 + 2 + 3 + 2 + 3 + 0 + 2 + 4 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4570982484 + ... + 4570982527.

It is an arithmetic number, because the mean of its divisors is an integer number (41138842554).

Almost surely, 2^201123230242 is an apocalyptic number.

201123230242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201123230242 is a deficient number, since it is larger than the sum of its proper divisors (127987510190).

201123230242 is a wasteful number, since it uses less digits than its factorization.

201123230242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141965024.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 201123230242 its reverse (242032321102), we get a palindrome (443155551344).

The spelling of 201123230242 in words is "two hundred one billion, one hundred twenty-three million, two hundred thirty thousand, two hundred forty-two".