216200623 has 2 divisors, whose sum is σ = 216200624. Its totient is φ = 216200622.

The previous prime is 216200617. The next prime is 216200629. The reversal of 216200623 is 326002612.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (216200617) and next prime (216200629).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216200623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216200594 and 216200603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216200629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108100311 + 108100312.

It is an arithmetic number, because the mean of its divisors is an integer number (108100312).

Almost surely, 2^216200623 is an apocalyptic number.

216200623 is a deficient number, since it is larger than the sum of its proper divisors (1).

216200623 is an equidigital number, since it uses as much as digits as its factorization.

216200623 is an evil number, because the sum of its binary digits is even.

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

The square root of 216200623 is about 14703.7622056398. The cubic root of 216200623 is about 600.1857045541.

It can be divided in two parts, 2 and 16200623, that added together give a square (16200625 = 4025²).

The spelling of 216200623 in words is "two hundred sixteen million, two hundred thousand, six hundred twenty-three".