223058145509 has 2 divisors, whose sum is σ = 223058145510. Its totient is φ = 223058145508.

The previous prime is 223058145463. The next prime is 223058145523. The reversal of 223058145509 is 905541850322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213162273025 + 9895872484 = 461695^2 + 99478^2 .

It is a cyclic number.

It is not a de Polignac number, because 223058145509 - 2¹⁶ = 223058079973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223058145509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223058115509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111529072754 + 111529072755.

It is an arithmetic number, because the mean of its divisors is an integer number (111529072755).

Almost surely, 2^223058145509 is an apocalyptic number.

It is an amenable number.

223058145509 is a deficient number, since it is larger than the sum of its proper divisors (1).

223058145509 is an equidigital number, since it uses as much as digits as its factorization.

223058145509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 223058145509 in words is "two hundred twenty-three billion, fifty-eight million, one hundred forty-five thousand, five hundred nine".