223232329987 has 2 divisors, whose sum is σ = 223232329988. Its totient is φ = 223232329986.

The previous prime is 223232329961. The next prime is 223232330039. The reversal of 223232329987 is 789923232322.

It is an a-pointer prime, because the next prime (223232330039) can be obtained adding 223232329987 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223232329987 is a prime.

It is a super-3 number, since 3×223232329987³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223232329937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111616164993 + 111616164994.

It is an arithmetic number, because the mean of its divisors is an integer number (111616164994).

Almost surely, 2^223232329987 is an apocalyptic number.

223232329987 is a deficient number, since it is larger than the sum of its proper divisors (1).

223232329987 is an equidigital number, since it uses as much as digits as its factorization.

223232329987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 52.

The spelling of 223232329987 in words is "two hundred twenty-three billion, two hundred thirty-two million, three hundred twenty-nine thousand, nine hundred eighty-seven".