215223205339 has 2 divisors, whose sum is σ = 215223205340. Its totient is φ = 215223205338.

The previous prime is 215223205291. The next prime is 215223205357. The reversal of 215223205339 is 933502322512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215223205339 - 2²³ = 215214816731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215223205298 and 215223205307.

It is not a weakly prime, because it can be changed into another prime (215223205039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107611602669 + 107611602670.

It is an arithmetic number, because the mean of its divisors is an integer number (107611602670).

Almost surely, 2^215223205339 is an apocalyptic number.

215223205339 is a deficient number, since it is larger than the sum of its proper divisors (1).

215223205339 is an equidigital number, since it uses as much as digits as its factorization.

215223205339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 215223205339 in words is "two hundred fifteen billion, two hundred twenty-three million, two hundred five thousand, three hundred thirty-nine".