215051350223 has 4 divisors (see below), whose sum is σ = 226369842360. Its totient is φ = 203732858088.

The previous prime is 215051350193. The next prime is 215051350237. The reversal of 215051350223 is 322053150512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215051350223 - 2²² = 215047155919 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 (215051350243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5659246040 + ... + 5659246077.

It is an arithmetic number, because the mean of its divisors is an integer number (56592460590).

Almost surely, 2^215051350223 is an apocalyptic number.

215051350223 is a deficient number, since it is larger than the sum of its proper divisors (11318492137).

215051350223 is a wasteful number, since it uses less digits than its factorization.

215051350223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11318492136.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 215051350223 in words is "two hundred fifteen billion, fifty-one million, three hundred fifty thousand, two hundred twenty-three".