223124149 has 2 divisors, whose sum is σ = 223124150. Its totient is φ = 223124148.

The previous prime is 223124129. The next prime is 223124177. The reversal of 223124149 is 941421322.

It is an a-pointer prime, because the next prime (223124177) can be obtained adding 223124149 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159012100 + 64112049 = 12610^2 + 8007^2 .

It is a cyclic number.

It is not a de Polignac number, because 223124149 - 2⁷ = 223124021 is a prime.

It is a super-3 number, since 3×223124149³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223124129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111562074 + 111562075.

It is an arithmetic number, because the mean of its divisors is an integer number (111562075).

Almost surely, 2^223124149 is an apocalyptic number.

It is an amenable number.

223124149 is a deficient number, since it is larger than the sum of its proper divisors (1).

223124149 is an equidigital number, since it uses as much as digits as its factorization.

223124149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 223124149 is about 14937.3407606575. The cubic root of 223124149 is about 606.5252129985.

The spelling of 223124149 in words is "two hundred twenty-three million, one hundred twenty-four thousand, one hundred forty-nine".