202343189 has 2 divisors, whose sum is σ = 202343190. Its totient is φ = 202343188.

The previous prime is 202343153. The next prime is 202343203. The reversal of 202343189 is 981343202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128640964 + 73702225 = 11342^2 + 8585^2 .

It is a cyclic number.

It is not a de Polignac number, because 202343189 - 2¹⁶ = 202277653 is a prime.

It is a super-2 number, since 2×202343189² = 81885532269379442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202343389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101171594 + 101171595.

It is an arithmetic number, because the mean of its divisors is an integer number (101171595).

Almost surely, 2^202343189 is an apocalyptic number.

It is an amenable number.

202343189 is a deficient number, since it is larger than the sum of its proper divisors (1).

202343189 is an equidigital number, since it uses as much as digits as its factorization.

202343189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 202343189 is about 14224.7386267727. The cubic root of 202343189 is about 587.0785281903.

The spelling of 202343189 in words is "two hundred two million, three hundred forty-three thousand, one hundred eighty-nine".