216002623 has 4 divisors (see below), whose sum is σ = 216038448. Its totient is φ = 215966800.

The previous prime is 216002617. The next prime is 216002653. The reversal of 216002623 is 326200612.

It is a happy number.

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 216002623 - 2¹³ = 215994431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216002594 and 216002603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216002653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403 + ... + 21748.

It is an arithmetic number, because the mean of its divisors is an integer number (54009612).

Almost surely, 2^216002623 is an apocalyptic number.

216002623 is a deficient number, since it is larger than the sum of its proper divisors (35825).

216002623 is an equidigital number, since it uses as much as digits as its factorization.

216002623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35824.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 216002623 is about 14697.0276927003. The cubic root of 216002623 is about 600.0024286939.

The spelling of 216002623 in words is "two hundred sixteen million, two thousand, six hundred twenty-three".