223399129 has 2 divisors, whose sum is σ = 223399130. Its totient is φ = 223399128.

The previous prime is 223399117. The next prime is 223399133. The reversal of 223399129 is 921993322.

223399129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189200025 + 34199104 = 13755^2 + 5848^2 .

It is a cyclic number.

It is not a de Polignac number, because 223399129 - 2¹¹ = 223397081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223399091 and 223399100.

It is not a weakly prime, because it can be changed into another prime (223399829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111699564 + 111699565.

It is an arithmetic number, because the mean of its divisors is an integer number (111699565).

Almost surely, 2^223399129 is an apocalyptic number.

It is an amenable number.

223399129 is a deficient number, since it is larger than the sum of its proper divisors (1).

223399129 is an equidigital number, since it uses as much as digits as its factorization.

223399129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 40.

The square root of 223399129 is about 14946.5423760815. The cubic root of 223399129 is about 606.7742728995.

The spelling of 223399129 in words is "two hundred twenty-three million, three hundred ninety-nine thousand, one hundred twenty-nine".