207090223 has 2 divisors, whose sum is σ = 207090224. Its totient is φ = 207090222.

The previous prime is 207090161. The next prime is 207090251. The reversal of 207090223 is 322090702.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207090223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207090263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103545111 + 103545112.

It is an arithmetic number, because the mean of its divisors is an integer number (103545112).

Almost surely, 2^207090223 is an apocalyptic number.

207090223 is a deficient number, since it is larger than the sum of its proper divisors (1).

207090223 is an equidigital number, since it uses as much as digits as its factorization.

207090223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 207090223 is about 14390.6296943532. The cubic root of 207090223 is about 591.6341015293.

The spelling of 207090223 in words is "two hundred seven million, ninety thousand, two hundred twenty-three".