505212150221623 has 8 divisors (see below), whose sum is σ = 544100883300800. Its totient is φ = 466327168568928.

The previous prime is 505212150221489. The next prime is 505212150221663. The reversal of 505212150221623 is 326122051212505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505212150221623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505212150221663) 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, 937576908 + ... + 938115601.

It is an arithmetic number, because the mean of its divisors is an integer number (68012610412600).

Almost surely, 2^{505212150221623} is an apocalyptic number.

505212150221623 is a deficient number, since it is larger than the sum of its proper divisors (38888733079177).

505212150221623 is a wasteful number, since it uses less digits than its factorization.

505212150221623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875713241.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 505212150221623 in words is "five hundred five trillion, two hundred twelve billion, one hundred fifty million, two hundred twenty-one thousand, six hundred twenty-three".