201234012243 has 8 divisors (see below), whose sum is σ = 292704017856. Its totient is φ = 121960007400.

The previous prime is 201234012223. The next prime is 201234012247. The reversal of 201234012243 is 342210432102.

It is a happy number.

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

It is not a de Polignac number, because 201234012243 - 2⁹ = 201234011731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201234012247) 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, 3049000153 + ... + 3049000218.

It is an arithmetic number, because the mean of its divisors is an integer number (36588002232).

Almost surely, 2^201234012243 is an apocalyptic number.

201234012243 is a deficient number, since it is larger than the sum of its proper divisors (91470005613).

201234012243 is a wasteful number, since it uses less digits than its factorization.

201234012243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098000385.

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

Adding to 201234012243 its reverse (342210432102), we get a palindrome (543444444345).

The spelling of 201234012243 in words is "two hundred one billion, two hundred thirty-four million, twelve thousand, two hundred forty-three".