223400029 has 2 divisors, whose sum is σ = 223400030. Its totient is φ = 223400028.

The previous prime is 223400017. The next prime is 223400041. The reversal of 223400029 is 920004322.

223400029 is nontrivially palindromic in base 16.

It is a balanced prime because it is at equal distance from previous prime (223400017) and next prime (223400041).

It can be written as a sum of positive squares in only one way, i.e., 174372025 + 49028004 = 13205^2 + 7002^2 .

It is a cyclic number.

It is not a de Polignac number, because 223400029 - 2⁵ = 223399997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223399982 and 223400009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223400069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111700014 + 111700015.

It is an arithmetic number, because the mean of its divisors is an integer number (111700015).

Almost surely, 2^223400029 is an apocalyptic number.

It is an amenable number.

223400029 is a deficient number, since it is larger than the sum of its proper divisors (1).

223400029 is an equidigital number, since it uses as much as digits as its factorization.

223400029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 223400029 is about 14946.5724833488. The cubic root of 223400029 is about 606.7750877282.

The spelling of 223400029 in words is "two hundred twenty-three million, four hundred thousand, twenty-nine".