223223411987 has 2 divisors, whose sum is σ = 223223411988. Its totient is φ = 223223411986.

The previous prime is 223223411981. The next prime is 223223412047. The reversal of 223223411987 is 789114322322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223223411987 - 2²⁰ = 223222363411 is a prime.

It is a super-3 number, since 3×223223411987³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223223411981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111611705993 + 111611705994.

It is an arithmetic number, because the mean of its divisors is an integer number (111611705994).

Almost surely, 2^223223411987 is an apocalyptic number.

223223411987 is a deficient number, since it is larger than the sum of its proper divisors (1).

223223411987 is an equidigital number, since it uses as much as digits as its factorization.

223223411987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The spelling of 223223411987 in words is "two hundred twenty-three billion, two hundred twenty-three million, four hundred eleven thousand, nine hundred eighty-seven".