223412149 has 2 divisors, whose sum is σ = 223412150. Its totient is φ = 223412148.

The previous prime is 223412131. The next prime is 223412153. The reversal of 223412149 is 941214322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114105124 + 109307025 = 10682^2 + 10455^2 .

It is a cyclic number.

It is not a de Polignac number, because 223412149 - 2⁵ = 223412117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223413149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111706074 + 111706075.

It is an arithmetic number, because the mean of its divisors is an integer number (111706075).

Almost surely, 2^223412149 is an apocalyptic number.

It is an amenable number.

223412149 is a deficient number, since it is larger than the sum of its proper divisors (1).

223412149 is an equidigital number, since it uses as much as digits as its factorization.

223412149 is an evil number, because the sum of its binary digits is even.

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

The square root of 223412149 is about 14946.9779219747. The cubic root of 223412149 is about 606.7860605425.

The spelling of 223412149 in words is "two hundred twenty-three million, four hundred twelve thousand, one hundred forty-nine".