215232560623 has 8 divisors (see below), whose sum is σ = 217836557568. Its totient is φ = 212628821784.

The previous prime is 215232560617. The next prime is 215232560629. The reversal of 215232560623 is 326065232512.

It is an interprime number because it is at equal distance from previous prime (215232560617) and next prime (215232560629).

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-215232560623 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 (215232560629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016586 + ... + 2120632.

It is an arithmetic number, because the mean of its divisors is an integer number (27229569696).

Almost surely, 2^215232560623 is an apocalyptic number.

215232560623 is a deficient number, since it is larger than the sum of its proper divisors (2603996945).

215232560623 is a wasteful number, since it uses less digits than its factorization.

215232560623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129053.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 215232560623 in words is "two hundred fifteen billion, two hundred thirty-two million, five hundred sixty thousand, six hundred twenty-three".