198037323 has 48 divisors (see below), whose sum is σ = 331468800. Its totient is φ = 112674240.

The previous prime is 198037321. The next prime is 198037381. The reversal of 198037323 is 323730891.

It is a happy number.

It is not a de Polignac number, because 198037323 - 2¹ = 198037321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198037321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 238473 + ... + 239301.

It is an arithmetic number, because the mean of its divisors is an integer number (6905600).

Almost surely, 2^198037323 is an apocalyptic number.

198037323 is a deficient number, since it is larger than the sum of its proper divisors (133431477).

198037323 is a wasteful number, since it uses less digits than its factorization.

198037323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 198037323 is about 14072.5734320344. The cubic root of 198037323 is about 582.8842882861.

The spelling of 198037323 in words is "one hundred ninety-eight million, thirty-seven thousand, three hundred twenty-three".