223324201987 has 2 divisors, whose sum is σ = 223324201988. Its totient is φ = 223324201986.

The previous prime is 223324201967. The next prime is 223324202041. The reversal of 223324201987 is 789102423322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223324201987 is a prime.

It is not a weakly prime, because it can be changed into another prime (223324201927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111662100993 + 111662100994.

It is an arithmetic number, because the mean of its divisors is an integer number (111662100994).

Almost surely, 2^223324201987 is an apocalyptic number.

223324201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

223324201987 is an equidigital number, since it uses as much as digits as its factorization.

223324201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 223324201987 in words is "two hundred twenty-three billion, three hundred twenty-four million, two hundred one thousand, nine hundred eighty-seven".