223021400179 has 2 divisors, whose sum is σ = 223021400180. Its totient is φ = 223021400178.

The previous prime is 223021400177. The next prime is 223021400197. The reversal of 223021400179 is 971004120322.

223021400179 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (223021400197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223021400179 - 2¹ = 223021400177 is a prime.

It is a super-2 number, since 2×223021400179² (a number of 23 digits) contains 22 as substring.

Together with 223021400177, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 223021400179.

It is not a weakly prime, because it can be changed into another prime (223021400177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111510700089 + 111510700090.

It is an arithmetic number, because the mean of its divisors is an integer number (111510700090).

Almost surely, 2^223021400179 is an apocalyptic number.

223021400179 is a deficient number, since it is larger than the sum of its proper divisors (1).

223021400179 is an equidigital number, since it uses as much as digits as its factorization.

223021400179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 223021400179 in words is "two hundred twenty-three billion, twenty-one million, four hundred thousand, one hundred seventy-nine".