202397983 has 2 divisors, whose sum is σ = 202397984. Its totient is φ = 202397982.

The previous prime is 202397981. The next prime is 202398023. The reversal of 202397983 is 389793202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202397983 - 2¹ = 202397981 is a prime.

Together with 202397981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202397981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101198991 + 101198992.

It is an arithmetic number, because the mean of its divisors is an integer number (101198992).

Almost surely, 2^202397983 is an apocalyptic number.

202397983 is a deficient number, since it is larger than the sum of its proper divisors (1).

202397983 is an equidigital number, since it uses as much as digits as its factorization.

202397983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 202397983 is about 14226.6645071851. The cubic root of 202397983 is about 587.1315165114.

The spelling of 202397983 in words is "two hundred two million, three hundred ninety-seven thousand, nine hundred eighty-three".