201283944623 has 8 divisors (see below), whose sum is σ = 206784135600. Its totient is φ = 195811888320.

The previous prime is 201283944613. The next prime is 201283944647. The reversal of 201283944623 is 326449382102.

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

It is a cyclic number.

It is not a de Polignac number, because 201283944623 - 2²⁰ = 201282896047 is a prime.

It is a super-2 number, since 2×201283944623² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201283944613) 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, 7019165 + ... + 7047782.

It is an arithmetic number, because the mean of its divisors is an integer number (25848016950).

Almost surely, 2^201283944623 is an apocalyptic number.

201283944623 is a deficient number, since it is larger than the sum of its proper divisors (5500190977).

201283944623 is a wasteful number, since it uses less digits than its factorization.

201283944623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067337.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 201283944623 in words is "two hundred one billion, two hundred eighty-three million, nine hundred forty-four thousand, six hundred twenty-three".