201723837055 has 8 divisors (see below), whose sum is σ = 260689266432. Its totient is φ = 148965295008.

The previous prime is 201723837043. The next prime is 201723837097. The reversal of 201723837055 is 550738327102.

It is a happy number.

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 201723837055 - 2²¹ = 201721739903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551721759 + ... + 1551721888.

It is an arithmetic number, because the mean of its divisors is an integer number (32586158304).

Almost surely, 2^201723837055 is an apocalyptic number.

201723837055 is a deficient number, since it is larger than the sum of its proper divisors (58965429377).

201723837055 is a wasteful number, since it uses less digits than its factorization.

201723837055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103443665.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 201723837055 in words is "two hundred one billion, seven hundred twenty-three million, eight hundred thirty-seven thousand, fifty-five".