129094223 has 2 divisors, whose sum is σ = 129094224. Its totient is φ = 129094222.

The previous prime is 129094171. The next prime is 129094241. The reversal of 129094223 is 322490921.

It is a strong prime.

It is an emirp because it is prime and its reverse (322490921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129094223 - 2⁶ = 129094159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129094223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129094723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64547111 + 64547112.

It is an arithmetic number, because the mean of its divisors is an integer number (64547112).

Almost surely, 2^129094223 is an apocalyptic number.

129094223 is a deficient number, since it is larger than the sum of its proper divisors (1).

129094223 is an equidigital number, since it uses as much as digits as its factorization.

129094223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 129094223 is about 11361.9638707400. The cubic root of 129094223 is about 505.4004248219.

The spelling of 129094223 in words is "one hundred twenty-nine million, ninety-four thousand, two hundred twenty-three".