202690223 has 2 divisors, whose sum is σ = 202690224. Its totient is φ = 202690222.

The previous prime is 202690211. The next prime is 202690231. The reversal of 202690223 is 322096202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202690223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202690192 and 202690201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202690123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101345111 + 101345112.

It is an arithmetic number, because the mean of its divisors is an integer number (101345112).

Almost surely, 2^202690223 is an apocalyptic number.

202690223 is a deficient number, since it is larger than the sum of its proper divisors (1).

202690223 is an equidigital number, since it uses as much as digits as its factorization.

202690223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 202690223 is about 14236.9316567862. The cubic root of 202690223 is about 587.4139646459.

The spelling of 202690223 in words is "two hundred two million, six hundred ninety thousand, two hundred twenty-three".